Home / 99,805,053.60-149,707,580.40-89,601,386.40

Finding the Fourth Proportional to 99,805,053.60, 149,707,580.40 and 89,601,386.40

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Solution

The fourth proportional to 99,805,053.60, 149,707,580.40 and 89,601,386.40 is: 134,402,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,805,053.60 : 149,707,580.40 = 89,601,386.40 : x
  2. Step 2: Convert to fraction form
    99,805,053.60/149,707,580.40 = 89,601,386.40/x
  3. Step 3: Cross multiply
    99,805,053.60x = 149,707,580.40 × 89,601,386.40
  4. Step 4: Simplify right side
    99,805,053.60x = 13,414,006,758,429,468
  5. Step 5: Solve for x
    x = 13,414,006,758,429,468/99,805,053.60
  6. Step 6: Final answer
    x = 134,402,079.60

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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.