Home / 108,874,920.60-163,312,380.90-96,970,642.20

Finding the Fourth Proportional to 108,874,920.60, 163,312,380.90 and 96,970,642.20

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Solution

The fourth proportional to 108,874,920.60, 163,312,380.90 and 96,970,642.20 is: 145,455,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874,920.60 : 163,312,380.90 = 96,970,642.20 : x
  2. Step 2: Convert to fraction form
    108,874,920.60/163,312,380.90 = 96,970,642.20/x
  3. Step 3: Cross multiply
    108,874,920.60x = 163,312,380.90 × 96,970,642.20
  4. Step 4: Simplify right side
    108,874,920.60x = 15,836,506,455,084,016
  5. Step 5: Solve for x
    x = 15,836,506,455,084,016/108,874,920.60
  6. Step 6: Final answer
    x = 145,455,963.30

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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.