Home / 129,387,643.92-193,913,941.68-52,621,494.48

Finding the Fourth Proportional to 129,387,643.92, 193,913,941.68 and 52,621,494.48

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Solution

The fourth proportional to 129,387,643.92, 193,913,941.68 and 52,621,494.48 is: 78,864,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,387,643.92 : 193,913,941.68 = 52,621,494.48 : x
  2. Step 2: Convert to fraction form
    129,387,643.92/193,913,941.68 = 52,621,494.48/x
  3. Step 3: Cross multiply
    129,387,643.92x = 193,913,941.68 × 52,621,494.48
  4. Step 4: Simplify right side
    129,387,643.92x = 10,204,041,411,709,162
  5. Step 5: Solve for x
    x = 10,204,041,411,709,162/129,387,643.92
  6. Step 6: Final answer
    x = 78,864,110.22

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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.