Home / 124,416,763.90-186,625,145.85-73,272,456.70

Finding the Fourth Proportional to 124,416,763.90, 186,625,145.85 and 73,272,456.70

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Solution

The fourth proportional to 124,416,763.90, 186,625,145.85 and 73,272,456.70 is: 109,908,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,763.90 : 186,625,145.85 = 73,272,456.70 : x
  2. Step 2: Convert to fraction form
    124,416,763.90/186,625,145.85 = 73,272,456.70/x
  3. Step 3: Cross multiply
    124,416,763.90x = 186,625,145.85 × 73,272,456.70
  4. Step 4: Simplify right side
    124,416,763.90x = 13,674,482,918,425,310
  5. Step 5: Solve for x
    x = 13,674,482,918,425,310/124,416,763.90
  6. Step 6: Final answer
    x = 109,908,685.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.