Home / 66,799,980.56-100,168,388.76-25,878,590.48

Finding the Fourth Proportional to 66,799,980.56, 100,168,388.76 and 25,878,590.48

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Solution

The fourth proportional to 66,799,980.56, 100,168,388.76 and 25,878,590.48 is: 38,805,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,799,980.56 : 100,168,388.76 = 25,878,590.48 : x
  2. Step 2: Convert to fraction form
    66,799,980.56/100,168,388.76 = 25,878,590.48/x
  3. Step 3: Cross multiply
    66,799,980.56x = 100,168,388.76 × 25,878,590.48
  4. Step 4: Simplify right side
    66,799,980.56x = 2,592,216,711,761,475
  5. Step 5: Solve for x
    x = 2,592,216,711,761,475/66,799,980.56
  6. Step 6: Final answer
    x = 38,805,650.69

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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.