Home / 72,068,801.20-108,275,661.41-46,211,762.30

Finding the Fourth Proportional to 72,068,801.20, 108,275,661.41 and 46,211,762.30

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Solution

The fourth proportional to 72,068,801.20, 108,275,661.41 and 46,211,762.30 is: 69,428,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,068,801.20 : 108,275,661.41 = 46,211,762.30 : x
  2. Step 2: Convert to fraction form
    72,068,801.20/108,275,661.41 = 46,211,762.30/x
  3. Step 3: Cross multiply
    72,068,801.20x = 108,275,661.41 × 46,211,762.30
  4. Step 4: Simplify right side
    72,068,801.20x = 5,003,609,128,050,988
  5. Step 5: Solve for x
    x = 5,003,609,128,050,988/72,068,801.20
  6. Step 6: Final answer
    x = 69,428,227.53

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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.