Home / 83,242,904.40-124,864,356.60-25,740,988.20

Finding the Fourth Proportional to 83,242,904.40, 124,864,356.60 and 25,740,988.20

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Solution

The fourth proportional to 83,242,904.40, 124,864,356.60 and 25,740,988.20 is: 38,611,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,242,904.40 : 124,864,356.60 = 25,740,988.20 : x
  2. Step 2: Convert to fraction form
    83,242,904.40/124,864,356.60 = 25,740,988.20/x
  3. Step 3: Cross multiply
    83,242,904.40x = 124,864,356.60 × 25,740,988.20
  4. Step 4: Simplify right side
    83,242,904.40x = 3,214,131,929,841,192
  5. Step 5: Solve for x
    x = 3,214,131,929,841,192/83,242,904.40
  6. Step 6: Final answer
    x = 38,611,482.30

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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.