Home / 78,825,301.17-118,225,114.06-27,695,384.43

Finding the Fourth Proportional to 78,825,301.17, 118,225,114.06 and 27,695,384.43

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Solution

The fourth proportional to 78,825,301.17, 118,225,114.06 and 27,695,384.43 is: 41,538,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825,301.17 : 118,225,114.06 = 27,695,384.43 : x
  2. Step 2: Convert to fraction form
    78,825,301.17/118,225,114.06 = 27,695,384.43/x
  3. Step 3: Cross multiply
    78,825,301.17x = 118,225,114.06 × 27,695,384.43
  4. Step 4: Simplify right side
    78,825,301.17x = 3,274,289,983,033,821.50
  5. Step 5: Solve for x
    x = 3,274,289,983,033,821.50/78,825,301.17
  6. Step 6: Final answer
    x = 41,538,566.10

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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.