Home / 103,788,193,139.40-155,666,559,681.54-28,247,230,414.80

Finding the Fourth Proportional to 103,788,193,139.40, 155,666,559,681.54 and 28,247,230,414.80

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Solution

The fourth proportional to 103,788,193,139.40, 155,666,559,681.54 and 28,247,230,414.80 is: 42,366,564,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,788,193,139.40 : 155,666,559,681.54 = 28,247,230,414.80 : x
  2. Step 2: Convert to fraction form
    103,788,193,139.40/155,666,559,681.54 = 28,247,230,414.80/x
  3. Step 3: Cross multiply
    103,788,193,139.40x = 155,666,559,681.54 × 28,247,230,414.80
  4. Step 4: Simplify right side
    103,788,193,139.40x = 4,397,149,179,203,676,012,544
  5. Step 5: Solve for x
    x = 4,397,149,179,203,676,012,544/103,788,193,139.40
  6. Step 6: Final answer
    x = 42,366,564,502.17

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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.