Home / 100,926,278.44-139,278,320.34-54,516,532.82

Finding the Fourth Proportional to 100,926,278.44, 139,278,320.34 and 54,516,532.82

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Solution

The fourth proportional to 100,926,278.44, 139,278,320.34 and 54,516,532.82 is: 75,232,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,278.44 : 139,278,320.34 = 54,516,532.82 : x
  2. Step 2: Convert to fraction form
    100,926,278.44/139,278,320.34 = 54,516,532.82/x
  3. Step 3: Cross multiply
    100,926,278.44x = 139,278,320.34 × 54,516,532.82
  4. Step 4: Simplify right side
    100,926,278.44x = 7,592,971,121,029,255
  5. Step 5: Solve for x
    x = 7,592,971,121,029,255/100,926,278.44
  6. Step 6: Final answer
    x = 75,232,845.58

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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.