Home / 65,241,561.38-90,031,050.15-35,872,688.30

Finding the Fourth Proportional to 65,241,561.38, 90,031,050.15 and 35,872,688.30

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Solution

The fourth proportional to 65,241,561.38, 90,031,050.15 and 35,872,688.30 is: 49,503,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,241,561.38 : 90,031,050.15 = 35,872,688.30 : x
  2. Step 2: Convert to fraction form
    65,241,561.38/90,031,050.15 = 35,872,688.30/x
  3. Step 3: Cross multiply
    65,241,561.38x = 90,031,050.15 × 35,872,688.30
  4. Step 4: Simplify right side
    65,241,561.38x = 3,229,655,798,767,940.50
  5. Step 5: Solve for x
    x = 3,229,655,798,767,940.50/65,241,561.38
  6. Step 6: Final answer
    x = 49,503,042.70

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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.