Home / 86,371,008.40-129,473,568.60-49,942,003.60

Finding the Fourth Proportional to 86,371,008.40, 129,473,568.60 and 49,942,003.60

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Solution

The fourth proportional to 86,371,008.40, 129,473,568.60 and 49,942,003.60 is: 74,865,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371,008.40 : 129,473,568.60 = 49,942,003.60 : x
  2. Step 2: Convert to fraction form
    86,371,008.40/129,473,568.60 = 49,942,003.60/x
  3. Step 3: Cross multiply
    86,371,008.40x = 129,473,568.60 × 49,942,003.60
  4. Step 4: Simplify right side
    86,371,008.40x = 6,466,169,429,126,047
  5. Step 5: Solve for x
    x = 6,466,169,429,126,047/86,371,008.40
  6. Step 6: Final answer
    x = 74,865,044.98

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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.