Home / 143,761,785.30-215,495,711.55-70,866,450.90

Finding the Fourth Proportional to 143,761,785.30, 215,495,711.55 and 70,866,450.90

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Solution

The fourth proportional to 143,761,785.30, 215,495,711.55 and 70,866,450.90 is: 106,227,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,761,785.30 : 215,495,711.55 = 70,866,450.90 : x
  2. Step 2: Convert to fraction form
    143,761,785.30/215,495,711.55 = 70,866,450.90/x
  3. Step 3: Cross multiply
    143,761,785.30x = 215,495,711.55 × 70,866,450.90
  4. Step 4: Simplify right side
    143,761,785.30x = 15,271,416,261,718,640
  5. Step 5: Solve for x
    x = 15,271,416,261,718,640/143,761,785.30
  6. Step 6: Final answer
    x = 106,227,230.20

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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.