Home / 99,830,666.60-149,741,507.06-67,055,044.83

Finding the Fourth Proportional to 99,830,666.60, 149,741,507.06 and 67,055,044.83

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Solution

The fourth proportional to 99,830,666.60, 149,741,507.06 and 67,055,044.83 is: 100,579,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830,666.60 : 149,741,507.06 = 67,055,044.83 : x
  2. Step 2: Convert to fraction form
    99,830,666.60/149,741,507.06 = 67,055,044.83/x
  3. Step 3: Cross multiply
    99,830,666.60x = 149,741,507.06 × 67,055,044.83
  4. Step 4: Simplify right side
    99,830,666.60x = 10,040,923,468,484,786
  5. Step 5: Solve for x
    x = 10,040,923,468,484,786/99,830,666.60
  6. Step 6: Final answer
    x = 100,579,549.46

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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.