Home / 85,164,008.70-127,746,013.05-30,602,732.70

Finding the Fourth Proportional to 85,164,008.70, 127,746,013.05 and 30,602,732.70

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Solution

The fourth proportional to 85,164,008.70, 127,746,013.05 and 30,602,732.70 is: 45,904,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,164,008.70 : 127,746,013.05 = 30,602,732.70 : x
  2. Step 2: Convert to fraction form
    85,164,008.70/127,746,013.05 = 30,602,732.70/x
  3. Step 3: Cross multiply
    85,164,008.70x = 127,746,013.05 × 30,602,732.70
  4. Step 4: Simplify right side
    85,164,008.70x = 3,909,377,090,859,861.50
  5. Step 5: Solve for x
    x = 3,909,377,090,859,861.50/85,164,008.70
  6. Step 6: Final answer
    x = 45,904,099.05

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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.