Home / 120,547,069,367.10-180,820,604,050.65-36,700,134,762.30

Finding the Fourth Proportional to 120,547,069,367.10, 180,820,604,050.65 and 36,700,134,762.30

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Solution

The fourth proportional to 120,547,069,367.10, 180,820,604,050.65 and 36,700,134,762.30 is: 55,050,202,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547,069,367.10 : 180,820,604,050.65 = 36,700,134,762.30 : x
  2. Step 2: Convert to fraction form
    120,547,069,367.10/180,820,604,050.65 = 36,700,134,762.30/x
  3. Step 3: Cross multiply
    120,547,069,367.10x = 180,820,604,050.65 × 36,700,134,762.30
  4. Step 4: Simplify right side
    120,547,069,367.10x = 6,636,140,536,459,345,002,496
  5. Step 5: Solve for x
    x = 6,636,140,536,459,345,002,496/120,547,069,367.10
  6. Step 6: Final answer
    x = 55,050,202,143.45

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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.