Home / 155,142,731.70-232,714,097.55-68,789,474.10

Finding the Fourth Proportional to 155,142,731.70, 232,714,097.55 and 68,789,474.10

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Solution

The fourth proportional to 155,142,731.70, 232,714,097.55 and 68,789,474.10 is: 103,184,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,142,731.70 : 232,714,097.55 = 68,789,474.10 : x
  2. Step 2: Convert to fraction form
    155,142,731.70/232,714,097.55 = 68,789,474.10/x
  3. Step 3: Cross multiply
    155,142,731.70x = 232,714,097.55 × 68,789,474.10
  4. Step 4: Simplify right side
    155,142,731.70x = 16,008,280,386,120,598
  5. Step 5: Solve for x
    x = 16,008,280,386,120,598/155,142,731.70
  6. Step 6: Final answer
    x = 103,184,211.15

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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.