Home / 81,520,109.76-112,498,240.73-44,350,656.68

Finding the Fourth Proportional to 81,520,109.76, 112,498,240.73 and 44,350,656.68

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Solution

The fourth proportional to 81,520,109.76, 112,498,240.73 and 44,350,656.68 is: 61,204,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520,109.76 : 112,498,240.73 = 44,350,656.68 : x
  2. Step 2: Convert to fraction form
    81,520,109.76/112,498,240.73 = 44,350,656.68/x
  3. Step 3: Cross multiply
    81,520,109.76x = 112,498,240.73 × 44,350,656.68
  4. Step 4: Simplify right side
    81,520,109.76x = 4,989,370,851,779,714
  5. Step 5: Solve for x
    x = 4,989,370,851,779,714/81,520,109.76
  6. Step 6: Final answer
    x = 61,204,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.