Home / 115,508,191.50-159,401,306.12-63,299,281.86

Finding the Fourth Proportional to 115,508,191.50, 159,401,306.12 and 63,299,281.86

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Solution

The fourth proportional to 115,508,191.50, 159,401,306.12 and 63,299,281.86 is: 87,353,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508,191.50 : 159,401,306.12 = 63,299,281.86 : x
  2. Step 2: Convert to fraction form
    115,508,191.50/159,401,306.12 = 63,299,281.86/x
  3. Step 3: Cross multiply
    115,508,191.50x = 159,401,306.12 × 63,299,281.86
  4. Step 4: Simplify right side
    115,508,191.50x = 10,089,988,204,625,528
  5. Step 5: Solve for x
    x = 10,089,988,204,625,528/115,508,191.50
  6. Step 6: Final answer
    x = 87,353,009.98

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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.