Home / 157,466,819.40-236,200,229.10-99,787,756.20

Finding the Fourth Proportional to 157,466,819.40, 236,200,229.10 and 99,787,756.20

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Solution

The fourth proportional to 157,466,819.40, 236,200,229.10 and 99,787,756.20 is: 149,681,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,466,819.40 : 236,200,229.10 = 99,787,756.20 : x
  2. Step 2: Convert to fraction form
    157,466,819.40/236,200,229.10 = 99,787,756.20/x
  3. Step 3: Cross multiply
    157,466,819.40x = 236,200,229.10 × 99,787,756.20
  4. Step 4: Simplify right side
    157,466,819.40x = 23,569,890,875,814,944
  5. Step 5: Solve for x
    x = 23,569,890,875,814,944/157,466,819.40
  6. Step 6: Final answer
    x = 149,681,634.30

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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.