Home / 56,608,396.80-84,912,595.20-55,663,612.80

Finding the Fourth Proportional to 56,608,396.80, 84,912,595.20 and 55,663,612.80

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Solution

The fourth proportional to 56,608,396.80, 84,912,595.20 and 55,663,612.80 is: 83,495,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608,396.80 : 84,912,595.20 = 55,663,612.80 : x
  2. Step 2: Convert to fraction form
    56,608,396.80/84,912,595.20 = 55,663,612.80/x
  3. Step 3: Cross multiply
    56,608,396.80x = 84,912,595.20 × 55,663,612.80
  4. Step 4: Simplify right side
    56,608,396.80x = 4,726,541,821,055,938
  5. Step 5: Solve for x
    x = 4,726,541,821,055,938/56,608,396.80
  6. Step 6: Final answer
    x = 83,495,419.20

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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.