Home / 70,145,010.14-96,803,487.87-38,782,478.79

Finding the Fourth Proportional to 70,145,010.14, 96,803,487.87 and 38,782,478.79

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Solution

The fourth proportional to 70,145,010.14, 96,803,487.87 and 38,782,478.79 is: 53,521,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145,010.14 : 96,803,487.87 = 38,782,478.79 : x
  2. Step 2: Convert to fraction form
    70,145,010.14/96,803,487.87 = 38,782,478.79/x
  3. Step 3: Cross multiply
    70,145,010.14x = 96,803,487.87 × 38,782,478.79
  4. Step 4: Simplify right side
    70,145,010.14x = 3,754,279,214,970,862.50
  5. Step 5: Solve for x
    x = 3,754,279,214,970,862.50/70,145,010.14
  6. Step 6: Final answer
    x = 53,521,686.11

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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.