Home / 159,490,809.60-239,236,214.40-86,931,398.40

Finding the Fourth Proportional to 159,490,809.60, 239,236,214.40 and 86,931,398.40

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Solution

The fourth proportional to 159,490,809.60, 239,236,214.40 and 86,931,398.40 is: 130,397,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,490,809.60 : 239,236,214.40 = 86,931,398.40 : x
  2. Step 2: Convert to fraction form
    159,490,809.60/239,236,214.40 = 86,931,398.40/x
  3. Step 3: Cross multiply
    159,490,809.60x = 239,236,214.40 × 86,931,398.40
  4. Step 4: Simplify right side
    159,490,809.60x = 20,797,138,665,714,220
  5. Step 5: Solve for x
    x = 20,797,138,665,714,220/159,490,809.60
  6. Step 6: Final answer
    x = 130,397,097.60

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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.