Home / 72,512,285.16-99,876,331.62-55,734,939.84

Finding the Fourth Proportional to 72,512,285.16, 99,876,331.62 and 55,734,939.84

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Solution

The fourth proportional to 72,512,285.16, 99,876,331.62 and 55,734,939.84 is: 76,767,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,512,285.16 : 99,876,331.62 = 55,734,939.84 : x
  2. Step 2: Convert to fraction form
    72,512,285.16/99,876,331.62 = 55,734,939.84/x
  3. Step 3: Cross multiply
    72,512,285.16x = 99,876,331.62 × 55,734,939.84
  4. Step 4: Simplify right side
    72,512,285.16x = 5,566,601,334,280,590
  5. Step 5: Solve for x
    x = 5,566,601,334,280,590/72,512,285.16
  6. Step 6: Final answer
    x = 76,767,699.74

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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.