Home / 130,385,017.22-179,932,755.95-71,647,697.53

Finding the Fourth Proportional to 130,385,017.22, 179,932,755.95 and 71,647,697.53

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Solution

The fourth proportional to 130,385,017.22, 179,932,755.95 and 71,647,697.53 is: 98,874,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,017.22 : 179,932,755.95 = 71,647,697.53 : x
  2. Step 2: Convert to fraction form
    130,385,017.22/179,932,755.95 = 71,647,697.53/x
  3. Step 3: Cross multiply
    130,385,017.22x = 179,932,755.95 × 71,647,697.53
  4. Step 4: Simplify right side
    130,385,017.22x = 12,891,767,673,167,428
  5. Step 5: Solve for x
    x = 12,891,767,673,167,428/130,385,017.22
  6. Step 6: Final answer
    x = 98,874,609.58

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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.