Home / 97,176,842.20-145,653,288.90-39,631,331.80

Finding the Fourth Proportional to 97,176,842.20, 145,653,288.90 and 39,631,331.80

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Solution

The fourth proportional to 97,176,842.20, 145,653,288.90 and 39,631,331.80 is: 59,401,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,176,842.20 : 145,653,288.90 = 39,631,331.80 : x
  2. Step 2: Convert to fraction form
    97,176,842.20/145,653,288.90 = 39,631,331.80/x
  3. Step 3: Cross multiply
    97,176,842.20x = 145,653,288.90 × 39,631,331.80
  4. Step 4: Simplify right side
    97,176,842.20x = 5,772,433,820,157,157
  5. Step 5: Solve for x
    x = 5,772,433,820,157,157/97,176,842.20
  6. Step 6: Final answer
    x = 59,401,331.53

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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.