Home / 124,820,522.52-172,237,228.74-71,914,538.22

Finding the Fourth Proportional to 124,820,522.52, 172,237,228.74 and 71,914,538.22

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Solution

The fourth proportional to 124,820,522.52, 172,237,228.74 and 71,914,538.22 is: 99,233,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820,522.52 : 172,237,228.74 = 71,914,538.22 : x
  2. Step 2: Convert to fraction form
    124,820,522.52/172,237,228.74 = 71,914,538.22/x
  3. Step 3: Cross multiply
    124,820,522.52x = 172,237,228.74 × 71,914,538.22
  4. Step 4: Simplify right side
    124,820,522.52x = 12,386,360,769,129,612
  5. Step 5: Solve for x
    x = 12,386,360,769,129,612/124,820,522.52
  6. Step 6: Final answer
    x = 99,233,367.39

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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.