Home / 86,832,445.85-130,221,014.09-28,526,589.82

Finding the Fourth Proportional to 86,832,445.85, 130,221,014.09 and 28,526,589.82

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Solution

The fourth proportional to 86,832,445.85, 130,221,014.09 and 28,526,589.82 is: 42,780,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832,445.85 : 130,221,014.09 = 28,526,589.82 : x
  2. Step 2: Convert to fraction form
    86,832,445.85/130,221,014.09 = 28,526,589.82/x
  3. Step 3: Cross multiply
    86,832,445.85x = 130,221,014.09 × 28,526,589.82
  4. Step 4: Simplify right side
    86,832,445.85x = 3,714,761,455,070,333
  5. Step 5: Solve for x
    x = 3,714,761,455,070,333/86,832,445.85
  6. Step 6: Final answer
    x = 42,780,799.49

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1.5x scale

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.