Home / 99,660,061.90-149,490,092.85-54,310,429.90

Finding the Fourth Proportional to 99,660,061.90, 149,490,092.85 and 54,310,429.90

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Solution

The fourth proportional to 99,660,061.90, 149,490,092.85 and 54,310,429.90 is: 81,465,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660,061.90 : 149,490,092.85 = 54,310,429.90 : x
  2. Step 2: Convert to fraction form
    99,660,061.90/149,490,092.85 = 54,310,429.90/x
  3. Step 3: Cross multiply
    99,660,061.90x = 149,490,092.85 × 54,310,429.90
  4. Step 4: Simplify right side
    99,660,061.90x = 8,118,871,208,474,416
  5. Step 5: Solve for x
    x = 8,118,871,208,474,416/99,660,061.90
  6. Step 6: Final answer
    x = 81,465,644.85

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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.