Home / 57,282,657.93-79,052,008.59-31,178,122.92

Finding the Fourth Proportional to 57,282,657.93, 79,052,008.59 and 31,178,122.92

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Solution

The fourth proportional to 57,282,657.93, 79,052,008.59 and 31,178,122.92 is: 43,026,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282,657.93 : 79,052,008.59 = 31,178,122.92 : x
  2. Step 2: Convert to fraction form
    57,282,657.93/79,052,008.59 = 31,178,122.92/x
  3. Step 3: Cross multiply
    57,282,657.93x = 79,052,008.59 × 31,178,122.92
  4. Step 4: Simplify right side
    57,282,657.93x = 2,464,693,240,891,916
  5. Step 5: Solve for x
    x = 2,464,693,240,891,916/57,282,657.93
  6. Step 6: Final answer
    x = 43,026,865.90

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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.