Home / 138,874,965.81-208,352,897.23-62,180,057.89

Finding the Fourth Proportional to 138,874,965.81, 208,352,897.23 and 62,180,057.89

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Solution

The fourth proportional to 138,874,965.81, 208,352,897.23 and 62,180,057.89 is: 93,288,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,874,965.81 : 208,352,897.23 = 62,180,057.89 : x
  2. Step 2: Convert to fraction form
    138,874,965.81/208,352,897.23 = 62,180,057.89/x
  3. Step 3: Cross multiply
    138,874,965.81x = 208,352,897.23 × 62,180,057.89
  4. Step 4: Simplify right side
    138,874,965.81x = 12,955,395,210,113,406
  5. Step 5: Solve for x
    x = 12,955,395,210,113,406/138,874,965.81
  6. Step 6: Final answer
    x = 93,288,197.30

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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.