Home / 99,576,849.15-149,280,072.53-38,210,043.87

Finding the Fourth Proportional to 99,576,849.15, 149,280,072.53 and 38,210,043.87

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Solution

The fourth proportional to 99,576,849.15, 149,280,072.53 and 38,210,043.87 is: 57,282,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,576,849.15 : 149,280,072.53 = 38,210,043.87 : x
  2. Step 2: Convert to fraction form
    99,576,849.15/149,280,072.53 = 38,210,043.87/x
  3. Step 3: Cross multiply
    99,576,849.15x = 149,280,072.53 × 38,210,043.87
  4. Step 4: Simplify right side
    99,576,849.15x = 5,703,998,120,097,031
  5. Step 5: Solve for x
    x = 5,703,998,120,097,031/99,576,849.15
  6. Step 6: Final answer
    x = 57,282,372.05

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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.