Home / 100,926,181.25-139,278,186.10-54,516,435.42

Finding the Fourth Proportional to 100,926,181.25, 139,278,186.10 and 54,516,435.42

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Solution

The fourth proportional to 100,926,181.25, 139,278,186.10 and 54,516,435.42 is: 75,232,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,181.25 : 139,278,186.10 = 54,516,435.42 : x
  2. Step 2: Convert to fraction form
    100,926,181.25/139,278,186.10 = 54,516,435.42/x
  3. Step 3: Cross multiply
    100,926,181.25x = 139,278,186.10 × 54,516,435.42
  4. Step 4: Simplify right side
    100,926,181.25x = 7,592,950,237,662,810
  5. Step 5: Solve for x
    x = 7,592,950,237,662,810/100,926,181.25
  6. Step 6: Final answer
    x = 75,232,711.12

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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.