Home / 72,312,797.76-99,807,550.20-47,535,273.60

Finding the Fourth Proportional to 72,312,797.76, 99,807,550.20 and 47,535,273.60

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Solution

The fourth proportional to 72,312,797.76, 99,807,550.20 and 47,535,273.60 is: 65,609,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,312,797.76 : 99,807,550.20 = 47,535,273.60 : x
  2. Step 2: Convert to fraction form
    72,312,797.76/99,807,550.20 = 47,535,273.60/x
  3. Step 3: Cross multiply
    72,312,797.76x = 99,807,550.20 × 47,535,273.60
  4. Step 4: Simplify right side
    72,312,797.76x = 4,744,379,206,102,735
  5. Step 5: Solve for x
    x = 4,744,379,206,102,735/72,312,797.76
  6. Step 6: Final answer
    x = 65,609,122.49

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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.