Home / 66,430,244.10-99,645,366.15-42,276,250.65

Finding the Fourth Proportional to 66,430,244.10, 99,645,366.15 and 42,276,250.65

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Solution

The fourth proportional to 66,430,244.10, 99,645,366.15 and 42,276,250.65 is: 63,414,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,244.10 : 99,645,366.15 = 42,276,250.65 : x
  2. Step 2: Convert to fraction form
    66,430,244.10/99,645,366.15 = 42,276,250.65/x
  3. Step 3: Cross multiply
    66,430,244.10x = 99,645,366.15 × 42,276,250.65
  4. Step 4: Simplify right side
    66,430,244.10x = 4,212,632,475,468,425.50
  5. Step 5: Solve for x
    x = 4,212,632,475,468,425.50/66,430,244.10
  6. Step 6: Final answer
    x = 63,414,375.98

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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.