Home / 120,142,276.20-180,202,916.70-39,363,244.20

Finding the Fourth Proportional to 120,142,276.20, 180,202,916.70 and 39,363,244.20

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Solution

The fourth proportional to 120,142,276.20, 180,202,916.70 and 39,363,244.20 is: 59,041,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,142,276.20 : 180,202,916.70 = 39,363,244.20 : x
  2. Step 2: Convert to fraction form
    120,142,276.20/180,202,916.70 = 39,363,244.20/x
  3. Step 3: Cross multiply
    120,142,276.20x = 180,202,916.70 × 39,363,244.20
  4. Step 4: Simplify right side
    120,142,276.20x = 7,093,371,415,614,358
  5. Step 5: Solve for x
    x = 7,093,371,415,614,358/120,142,276.20
  6. Step 6: Final answer
    x = 59,041,426.88

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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.