Home / 65,739,472.74-90,712,497.62-37,871,204.93

Finding the Fourth Proportional to 65,739,472.74, 90,712,497.62 and 37,871,204.93

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Solution

The fourth proportional to 65,739,472.74, 90,712,497.62 and 37,871,204.93 is: 52,257,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739,472.74 : 90,712,497.62 = 37,871,204.93 : x
  2. Step 2: Convert to fraction form
    65,739,472.74/90,712,497.62 = 37,871,204.93/x
  3. Step 3: Cross multiply
    65,739,472.74x = 90,712,497.62 × 37,871,204.93
  4. Step 4: Simplify right side
    65,739,472.74x = 3,435,391,586,436,238.50
  5. Step 5: Solve for x
    x = 3,435,391,586,436,238.50/65,739,472.74
  6. Step 6: Final answer
    x = 52,257,668.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.