Home / 129,483,118.24-178,684,589.52-70,744,519.20

Finding the Fourth Proportional to 129,483,118.24, 178,684,589.52 and 70,744,519.20

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Solution

The fourth proportional to 129,483,118.24, 178,684,589.52 and 70,744,519.20 is: 97,626,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,483,118.24 : 178,684,589.52 = 70,744,519.20 : x
  2. Step 2: Convert to fraction form
    129,483,118.24/178,684,589.52 = 70,744,519.20/x
  3. Step 3: Cross multiply
    129,483,118.24x = 178,684,589.52 × 70,744,519.20
  4. Step 4: Simplify right side
    129,483,118.24x = 12,640,955,374,041,760
  5. Step 5: Solve for x
    x = 12,640,955,374,041,760/129,483,118.24
  6. Step 6: Final answer
    x = 97,626,281.68

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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.