Home / 308,490,959.68-425,717,478.32-176,334,793.92

Finding the Fourth Proportional to 308,490,959.68, 425,717,478.32 and 176,334,793.92

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Solution

The fourth proportional to 308,490,959.68, 425,717,478.32 and 176,334,793.92 is: 243,341,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,490,959.68 : 425,717,478.32 = 176,334,793.92 : x
  2. Step 2: Convert to fraction form
    308,490,959.68/425,717,478.32 = 176,334,793.92/x
  3. Step 3: Cross multiply
    308,490,959.68x = 425,717,478.32 × 176,334,793.92
  4. Step 4: Simplify right side
    308,490,959.68x = 75,068,803,807,699,264
  5. Step 5: Solve for x
    x = 75,068,803,807,699,264/308,490,959.68
  6. Step 6: Final answer
    x = 243,341,989.29

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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.