Home / 155,141,368.20-232,712,052.30-68,788,110.60

Finding the Fourth Proportional to 155,141,368.20, 232,712,052.30 and 68,788,110.60

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Solution

The fourth proportional to 155,141,368.20, 232,712,052.30 and 68,788,110.60 is: 103,182,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141,368.20 : 232,712,052.30 = 68,788,110.60 : x
  2. Step 2: Convert to fraction form
    155,141,368.20/232,712,052.30 = 68,788,110.60/x
  3. Step 3: Cross multiply
    155,141,368.20x = 232,712,052.30 × 68,788,110.60
  4. Step 4: Simplify right side
    155,141,368.20x = 16,007,822,391,565,384
  5. Step 5: Solve for x
    x = 16,007,822,391,565,384/155,141,368.20
  6. Step 6: Final answer
    x = 103,182,165.90

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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.