Home / 73,053,129.60-109,579,694.40-45,311,909.40

Finding the Fourth Proportional to 73,053,129.60, 109,579,694.40 and 45,311,909.40

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Solution

The fourth proportional to 73,053,129.60, 109,579,694.40 and 45,311,909.40 is: 67,967,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,053,129.60 : 109,579,694.40 = 45,311,909.40 : x
  2. Step 2: Convert to fraction form
    73,053,129.60/109,579,694.40 = 45,311,909.40/x
  3. Step 3: Cross multiply
    73,053,129.60x = 109,579,694.40 × 45,311,909.40
  4. Step 4: Simplify right side
    73,053,129.60x = 4,965,265,184,732,487
  5. Step 5: Solve for x
    x = 4,965,265,184,732,487/73,053,129.60
  6. Step 6: Final answer
    x = 67,967,864.10

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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.