Home / 155,232,022.40-232,815,374.40-78,482,902.40

Finding the Fourth Proportional to 155,232,022.40, 232,815,374.40 and 78,482,902.40

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Solution

The fourth proportional to 155,232,022.40, 232,815,374.40 and 78,482,902.40 is: 117,707,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,232,022.40 : 232,815,374.40 = 78,482,902.40 : x
  2. Step 2: Convert to fraction form
    155,232,022.40/232,815,374.40 = 78,482,902.40/x
  3. Step 3: Cross multiply
    155,232,022.40x = 232,815,374.40 × 78,482,902.40
  4. Step 4: Simplify right side
    155,232,022.40x = 18,272,026,306,254,660
  5. Step 5: Solve for x
    x = 18,272,026,306,254,660/155,232,022.40
  6. Step 6: Final answer
    x = 117,707,841.62

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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.