Home / 229,065,948.95-316,108,352.33-124,642,221.12

Finding the Fourth Proportional to 229,065,948.95, 316,108,352.33 and 124,642,221.12

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Solution

The fourth proportional to 229,065,948.95, 316,108,352.33 and 124,642,221.12 is: 172,004,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,065,948.95 : 316,108,352.33 = 124,642,221.12 : x
  2. Step 2: Convert to fraction form
    229,065,948.95/316,108,352.33 = 124,642,221.12/x
  3. Step 3: Cross multiply
    229,065,948.95x = 316,108,352.33 × 124,642,221.12
  4. Step 4: Simplify right side
    229,065,948.95x = 39,400,447,148,371,520
  5. Step 5: Solve for x
    x = 39,400,447,148,371,520/229,065,948.95
  6. Step 6: Final answer
    x = 172,004,819.27

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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.