Home / 308,490,956.66-425,717,473.95-176,334,790.79

Finding the Fourth Proportional to 308,490,956.66, 425,717,473.95 and 176,334,790.79

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Solution

The fourth proportional to 308,490,956.66, 425,717,473.95 and 176,334,790.79 is: 243,341,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,490,956.66 : 425,717,473.95 = 176,334,790.79 : x
  2. Step 2: Convert to fraction form
    308,490,956.66/425,717,473.95 = 176,334,790.79/x
  3. Step 3: Cross multiply
    308,490,956.66x = 425,717,473.95 × 176,334,790.79
  4. Step 4: Simplify right side
    308,490,956.66x = 75,068,801,705,684,816
  5. Step 5: Solve for x
    x = 75,068,801,705,684,816/308,490,956.66
  6. Step 6: Final answer
    x = 243,341,984.86

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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.