Home / 100,926,181-139,278,185.75-54,516,435.18

Finding the Fourth Proportional to 100,926,181, 139,278,185.75 and 54,516,435.18

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Solution

The fourth proportional to 100,926,181, 139,278,185.75 and 54,516,435.18 is: 75,232,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,181 : 139,278,185.75 = 54,516,435.18 : x
  2. Step 2: Convert to fraction form
    100,926,181/139,278,185.75 = 54,516,435.18/x
  3. Step 3: Cross multiply
    100,926,181x = 139,278,185.75 × 54,516,435.18
  4. Step 4: Simplify right side
    100,926,181x = 7,592,950,185,427,875
  5. Step 5: Solve for x
    x = 7,592,950,185,427,875/100,926,181
  6. Step 6: Final answer
    x = 75,232,710.78

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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.