Home / 72,295,736.66-99,770,977.25-40,506,180.47

Finding the Fourth Proportional to 72,295,736.66, 99,770,977.25 and 40,506,180.47

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Solution

The fourth proportional to 72,295,736.66, 99,770,977.25 and 40,506,180.47 is: 55,900,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295,736.66 : 99,770,977.25 = 40,506,180.47 : x
  2. Step 2: Convert to fraction form
    72,295,736.66/99,770,977.25 = 40,506,180.47/x
  3. Step 3: Cross multiply
    72,295,736.66x = 99,770,977.25 × 40,506,180.47
  4. Step 4: Simplify right side
    72,295,736.66x = 4,041,341,210,156,764
  5. Step 5: Solve for x
    x = 4,041,341,210,156,764/72,295,736.66
  6. Step 6: Final answer
    x = 55,900,131.83

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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.