Home / 157,229,439.90-235,844,159.85-99,550,376.70

Finding the Fourth Proportional to 157,229,439.90, 235,844,159.85 and 99,550,376.70

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Solution

The fourth proportional to 157,229,439.90, 235,844,159.85 and 99,550,376.70 is: 149,325,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,229,439.90 : 235,844,159.85 = 99,550,376.70 : x
  2. Step 2: Convert to fraction form
    157,229,439.90/235,844,159.85 = 99,550,376.70/x
  3. Step 3: Cross multiply
    157,229,439.90x = 235,844,159.85 × 99,550,376.70
  4. Step 4: Simplify right side
    157,229,439.90x = 23,478,374,955,562,516
  5. Step 5: Solve for x
    x = 23,478,374,955,562,516/157,229,439.90
  6. Step 6: Final answer
    x = 149,325,565.05

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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.