Home / 86,851,366.32-130,281,239.16-28,557,753.60

Finding the Fourth Proportional to 86,851,366.32, 130,281,239.16 and 28,557,753.60

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Solution

The fourth proportional to 86,851,366.32, 130,281,239.16 and 28,557,753.60 is: 42,838,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,366.32 : 130,281,239.16 = 28,557,753.60 : x
  2. Step 2: Convert to fraction form
    86,851,366.32/130,281,239.16 = 28,557,753.60/x
  3. Step 3: Cross multiply
    86,851,366.32x = 130,281,239.16 × 28,557,753.60
  4. Step 4: Simplify right side
    86,851,366.32x = 3,720,539,526,633,951
  5. Step 5: Solve for x
    x = 3,720,539,526,633,951/86,851,366.32
  6. Step 6: Final answer
    x = 42,838,008.02

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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.