Home / 432,129,019.26-648,195,231.00-104,604,006.56

Finding the Fourth Proportional to 432,129,019.26, 648,195,231.00 and 104,604,006.56

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Solution

The fourth proportional to 432,129,019.26, 648,195,231.00 and 104,604,006.56 is: 156,906,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,129,019.26 : 648,195,231.00 = 104,604,006.56 : x
  2. Step 2: Convert to fraction form
    432,129,019.26/648,195,231.00 = 104,604,006.56/x
  3. Step 3: Cross multiply
    432,129,019.26x = 648,195,231.00 × 104,604,006.56
  4. Step 4: Simplify right side
    432,129,019.26x = 67,803,818,197,569,312
  5. Step 5: Solve for x
    x = 67,803,818,197,569,312/432,129,019.26
  6. Step 6: Final answer
    x = 156,906,421.87

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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.