Home / 102,153,409.20-140,974,695.54-55,746,654.30

Finding the Fourth Proportional to 102,153,409.20, 140,974,695.54 and 55,746,654.30

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Solution

The fourth proportional to 102,153,409.20, 140,974,695.54 and 55,746,654.30 is: 76,932,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,409.20 : 140,974,695.54 = 55,746,654.30 : x
  2. Step 2: Convert to fraction form
    102,153,409.20/140,974,695.54 = 55,746,654.30/x
  3. Step 3: Cross multiply
    102,153,409.20x = 140,974,695.54 × 55,746,654.30
  4. Step 4: Simplify right side
    102,153,409.20x = 7,858,867,617,316,131
  5. Step 5: Solve for x
    x = 7,858,867,617,316,131/102,153,409.20
  6. Step 6: Final answer
    x = 76,932,015.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.