Home / 120,547,069,412.85-180,820,604,119.27-36,700,134,808.05

Finding the Fourth Proportional to 120,547,069,412.85, 180,820,604,119.27 and 36,700,134,808.05

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Solution

The fourth proportional to 120,547,069,412.85, 180,820,604,119.27 and 36,700,134,808.05 is: 55,050,202,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547,069,412.85 : 180,820,604,119.27 = 36,700,134,808.05 : x
  2. Step 2: Convert to fraction form
    120,547,069,412.85/180,820,604,119.27 = 36,700,134,808.05/x
  3. Step 3: Cross multiply
    120,547,069,412.85x = 180,820,604,119.27 × 36,700,134,808.05
  4. Step 4: Simplify right side
    120,547,069,412.85x = 6,636,140,547,250,250,055,680
  5. Step 5: Solve for x
    x = 6,636,140,547,250,250,055,680/120,547,069,412.85
  6. Step 6: Final answer
    x = 55,050,202,212.07

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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.