Home / 65,952,000.80-98,900,007.60-31,883,789.60

Finding the Fourth Proportional to 65,952,000.80, 98,900,007.60 and 31,883,789.60

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Solution

The fourth proportional to 65,952,000.80, 98,900,007.60 and 31,883,789.60 is: 47,812,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,952,000.80 : 98,900,007.60 = 31,883,789.60 : x
  2. Step 2: Convert to fraction form
    65,952,000.80/98,900,007.60 = 31,883,789.60/x
  3. Step 3: Cross multiply
    65,952,000.80x = 98,900,007.60 × 31,883,789.60
  4. Step 4: Simplify right side
    65,952,000.80x = 3,153,307,033,756,801
  5. Step 5: Solve for x
    x = 3,153,307,033,756,801/65,952,000.80
  6. Step 6: Final answer
    x = 47,812,151.19

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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.