Home / 108,804,737.20-163,207,105.80-74,367,360.40

Finding the Fourth Proportional to 108,804,737.20, 163,207,105.80 and 74,367,360.40

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Solution

The fourth proportional to 108,804,737.20, 163,207,105.80 and 74,367,360.40 is: 111,551,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,737.20 : 163,207,105.80 = 74,367,360.40 : x
  2. Step 2: Convert to fraction form
    108,804,737.20/163,207,105.80 = 74,367,360.40/x
  3. Step 3: Cross multiply
    108,804,737.20x = 163,207,105.80 × 74,367,360.40
  4. Step 4: Simplify right side
    108,804,737.20x = 12,137,281,656,869,532
  5. Step 5: Solve for x
    x = 12,137,281,656,869,532/108,804,737.20
  6. Step 6: Final answer
    x = 111,551,040.60

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1.5x scale

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.