Home / 108,594,122.40-149,719,229.02-70,335,182.16

Finding the Fourth Proportional to 108,594,122.40, 149,719,229.02 and 70,335,182.16

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Solution

The fourth proportional to 108,594,122.40, 149,719,229.02 and 70,335,182.16 is: 96,971,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,594,122.40 : 149,719,229.02 = 70,335,182.16 : x
  2. Step 2: Convert to fraction form
    108,594,122.40/149,719,229.02 = 70,335,182.16/x
  3. Step 3: Cross multiply
    108,594,122.40x = 149,719,229.02 × 70,335,182.16
  4. Step 4: Simplify right side
    108,594,122.40x = 10,530,529,245,976,458
  5. Step 5: Solve for x
    x = 10,530,529,245,976,458/108,594,122.40
  6. Step 6: Final answer
    x = 96,971,447.56

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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.