Home / 86,851,355.76-130,281,223.37-28,557,743.13

Finding the Fourth Proportional to 86,851,355.76, 130,281,223.37 and 28,557,743.13

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Solution

The fourth proportional to 86,851,355.76, 130,281,223.37 and 28,557,743.13 is: 42,837,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,355.76 : 130,281,223.37 = 28,557,743.13 : x
  2. Step 2: Convert to fraction form
    86,851,355.76/130,281,223.37 = 28,557,743.13/x
  3. Step 3: Cross multiply
    86,851,355.76x = 130,281,223.37 × 28,557,743.13
  4. Step 4: Simplify right side
    86,851,355.76x = 3,720,537,711,519,824
  5. Step 5: Solve for x
    x = 3,720,537,711,519,824/86,851,355.76
  6. Step 6: Final answer
    x = 42,837,992.33

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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.