Home / 102,333,982.72-141,220,959.36-55,924,236.16

Finding the Fourth Proportional to 102,333,982.72, 141,220,959.36 and 55,924,236.16

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Solution

The fourth proportional to 102,333,982.72, 141,220,959.36 and 55,924,236.16 is: 77,175,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,333,982.72 : 141,220,959.36 = 55,924,236.16 : x
  2. Step 2: Convert to fraction form
    102,333,982.72/141,220,959.36 = 55,924,236.16/x
  3. Step 3: Cross multiply
    102,333,982.72x = 141,220,959.36 × 55,924,236.16
  4. Step 4: Simplify right side
    102,333,982.72x = 7,897,674,281,990,403
  5. Step 5: Solve for x
    x = 7,897,674,281,990,403/102,333,982.72
  6. Step 6: Final answer
    x = 77,175,480.44

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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.