Home / 77,195,507.60-106,524,956.04-42,387,954.32

Finding the Fourth Proportional to 77,195,507.60, 106,524,956.04 and 42,387,954.32

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Solution

The fourth proportional to 77,195,507.60, 106,524,956.04 and 42,387,954.32 is: 58,492,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,195,507.60 : 106,524,956.04 = 42,387,954.32 : x
  2. Step 2: Convert to fraction form
    77,195,507.60/106,524,956.04 = 42,387,954.32/x
  3. Step 3: Cross multiply
    77,195,507.60x = 106,524,956.04 × 42,387,954.32
  4. Step 4: Simplify right side
    77,195,507.60x = 4,515,374,970,563,528
  5. Step 5: Solve for x
    x = 4,515,374,970,563,528/77,195,507.60
  6. Step 6: Final answer
    x = 58,492,716.88

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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.