Home / 124,123,733.22-171,290,750.88-71,943,035.88

Finding the Fourth Proportional to 124,123,733.22, 171,290,750.88 and 71,943,035.88

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Solution

The fourth proportional to 124,123,733.22, 171,290,750.88 and 71,943,035.88 is: 99,281,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,123,733.22 : 171,290,750.88 = 71,943,035.88 : x
  2. Step 2: Convert to fraction form
    124,123,733.22/171,290,750.88 = 71,943,035.88/x
  3. Step 3: Cross multiply
    124,123,733.22x = 171,290,750.88 × 71,943,035.88
  4. Step 4: Simplify right side
    124,123,733.22x = 12,323,176,636,471,980
  5. Step 5: Solve for x
    x = 12,323,176,636,471,980/124,123,733.22
  6. Step 6: Final answer
    x = 99,281,388.96

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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.