Home / 120,547,069,412.35-180,820,604,118.52-36,700,134,807.55

Finding the Fourth Proportional to 120,547,069,412.35, 180,820,604,118.52 and 36,700,134,807.55

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Solution

The fourth proportional to 120,547,069,412.35, 180,820,604,118.52 and 36,700,134,807.55 is: 55,050,202,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547,069,412.35 : 180,820,604,118.52 = 36,700,134,807.55 : x
  2. Step 2: Convert to fraction form
    120,547,069,412.35/180,820,604,118.52 = 36,700,134,807.55/x
  3. Step 3: Cross multiply
    120,547,069,412.35x = 180,820,604,118.52 × 36,700,134,807.55
  4. Step 4: Simplify right side
    120,547,069,412.35x = 6,636,140,547,132,314,615,808
  5. Step 5: Solve for x
    x = 6,636,140,547,132,314,615,808/120,547,069,412.35
  6. Step 6: Final answer
    x = 55,050,202,211.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.