Home / 108,804,918.90-163,207,378.35-76,493,306.10

Finding the Fourth Proportional to 108,804,918.90, 163,207,378.35 and 76,493,306.10

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Solution

The fourth proportional to 108,804,918.90, 163,207,378.35 and 76,493,306.10 is: 114,739,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,918.90 : 163,207,378.35 = 76,493,306.10 : x
  2. Step 2: Convert to fraction form
    108,804,918.90/163,207,378.35 = 76,493,306.10/x
  3. Step 3: Cross multiply
    108,804,918.90x = 163,207,378.35 × 76,493,306.10
  4. Step 4: Simplify right side
    108,804,918.90x = 12,484,271,949,905,062
  5. Step 5: Solve for x
    x = 12,484,271,949,905,062/108,804,918.90
  6. Step 6: Final answer
    x = 114,739,959.15

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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.