Home / 72,596,040.40-108,894,060.60-64,659,854.80

Finding the Fourth Proportional to 72,596,040.40, 108,894,060.60 and 64,659,854.80

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Solution

The fourth proportional to 72,596,040.40, 108,894,060.60 and 64,659,854.80 is: 96,989,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,596,040.40 : 108,894,060.60 = 64,659,854.80 : x
  2. Step 2: Convert to fraction form
    72,596,040.40/108,894,060.60 = 64,659,854.80/x
  3. Step 3: Cross multiply
    72,596,040.40x = 108,894,060.60 × 64,659,854.80
  4. Step 4: Simplify right side
    72,596,040.40x = 7,041,074,146,978,400
  5. Step 5: Solve for x
    x = 7,041,074,146,978,400/72,596,040.40
  6. Step 6: Final answer
    x = 96,989,782.20

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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.