Home / 88,071,714.12-121,540,468.02-48,380,918.40

Finding the Fourth Proportional to 88,071,714.12, 121,540,468.02 and 48,380,918.40

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Solution

The fourth proportional to 88,071,714.12, 121,540,468.02 and 48,380,918.40 is: 66,766,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071,714.12 : 121,540,468.02 = 48,380,918.40 : x
  2. Step 2: Convert to fraction form
    88,071,714.12/121,540,468.02 = 48,380,918.40/x
  3. Step 3: Cross multiply
    88,071,714.12x = 121,540,468.02 × 48,380,918.40
  4. Step 4: Simplify right side
    88,071,714.12x = 5,880,239,465,573,429
  5. Step 5: Solve for x
    x = 5,880,239,465,573,429/88,071,714.12
  6. Step 6: Final answer
    x = 66,766,492.79

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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.