Home / 99,114,168.80-148,671,253.20-73,605,000.80

Finding the Fourth Proportional to 99,114,168.80, 148,671,253.20 and 73,605,000.80

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Solution

The fourth proportional to 99,114,168.80, 148,671,253.20 and 73,605,000.80 is: 110,407,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,114,168.80 : 148,671,253.20 = 73,605,000.80 : x
  2. Step 2: Convert to fraction form
    99,114,168.80/148,671,253.20 = 73,605,000.80/x
  3. Step 3: Cross multiply
    99,114,168.80x = 148,671,253.20 × 73,605,000.80
  4. Step 4: Simplify right side
    99,114,168.80x = 10,942,947,710,723,002
  5. Step 5: Solve for x
    x = 10,942,947,710,723,002/99,114,168.80
  6. Step 6: Final answer
    x = 110,407,501.20

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Double scale
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Similar ratio
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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.