Home / 86,851,367.32-130,281,240.66-28,557,754.60

Finding the Fourth Proportional to 86,851,367.32, 130,281,240.66 and 28,557,754.60

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Solution

The fourth proportional to 86,851,367.32, 130,281,240.66 and 28,557,754.60 is: 42,838,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,367.32 : 130,281,240.66 = 28,557,754.60 : x
  2. Step 2: Convert to fraction form
    86,851,367.32/130,281,240.66 = 28,557,754.60/x
  3. Step 3: Cross multiply
    86,851,367.32x = 130,281,240.66 × 28,557,754.60
  4. Step 4: Simplify right side
    86,851,367.32x = 3,720,539,699,751,822
  5. Step 5: Solve for x
    x = 3,720,539,699,751,822/86,851,367.32
  6. Step 6: Final answer
    x = 42,838,009.52

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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.