Home / 100,926,285.69-139,278,330.45-54,516,540

Finding the Fourth Proportional to 100,926,285.69, 139,278,330.45 and 54,516,540

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Solution

The fourth proportional to 100,926,285.69, 139,278,330.45 and 54,516,540 is: 75,232,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,285.69 : 139,278,330.45 = 54,516,540 : x
  2. Step 2: Convert to fraction form
    100,926,285.69/139,278,330.45 = 54,516,540/x
  3. Step 3: Cross multiply
    100,926,285.69x = 139,278,330.45 × 54,516,540
  4. Step 4: Simplify right side
    100,926,285.69x = 7,592,972,673,110,642
  5. Step 5: Solve for x
    x = 7,592,972,673,110,642/100,926,285.69
  6. Step 6: Final answer
    x = 75,232,855.56

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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.