Home / 99,759,819.60-149,639,729.40-58,945,150.80

Finding the Fourth Proportional to 99,759,819.60, 149,639,729.40 and 58,945,150.80

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Solution

The fourth proportional to 99,759,819.60, 149,639,729.40 and 58,945,150.80 is: 88,417,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,759,819.60 : 149,639,729.40 = 58,945,150.80 : x
  2. Step 2: Convert to fraction form
    99,759,819.60/149,639,729.40 = 58,945,150.80/x
  3. Step 3: Cross multiply
    99,759,819.60x = 149,639,729.40 × 58,945,150.80
  4. Step 4: Simplify right side
    99,759,819.60x = 8,820,536,415,154,193
  5. Step 5: Solve for x
    x = 8,820,536,415,154,193/99,759,819.60
  6. Step 6: Final answer
    x = 88,417,726.20

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1.5x scale

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.