Home / 72,584,933.60-108,877,400.40-65,866,469.60

Finding the Fourth Proportional to 72,584,933.60, 108,877,400.40 and 65,866,469.60

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Solution

The fourth proportional to 72,584,933.60, 108,877,400.40 and 65,866,469.60 is: 98,799,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584,933.60 : 108,877,400.40 = 65,866,469.60 : x
  2. Step 2: Convert to fraction form
    72,584,933.60/108,877,400.40 = 65,866,469.60/x
  3. Step 3: Cross multiply
    72,584,933.60x = 108,877,400.40 × 65,866,469.60
  4. Step 4: Simplify right side
    72,584,933.60x = 7,171,369,983,573,628
  5. Step 5: Solve for x
    x = 7,171,369,983,573,628/72,584,933.60
  6. Step 6: Final answer
    x = 98,799,704.40

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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.