Home / 61,680,458.38-85,119,033.13-34,178,386.62

Finding the Fourth Proportional to 61,680,458.38, 85,119,033.13 and 34,178,386.62

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Solution

The fourth proportional to 61,680,458.38, 85,119,033.13 and 34,178,386.62 is: 47,166,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680,458.38 : 85,119,033.13 = 34,178,386.62 : x
  2. Step 2: Convert to fraction form
    61,680,458.38/85,119,033.13 = 34,178,386.62/x
  3. Step 3: Cross multiply
    61,680,458.38x = 85,119,033.13 × 34,178,386.62
  4. Step 4: Simplify right side
    61,680,458.38x = 2,909,231,223,037,728.50
  5. Step 5: Solve for x
    x = 2,909,231,223,037,728.50/61,680,458.38
  6. Step 6: Final answer
    x = 47,166,173.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.