Home / 100,686,224.80-138,945,594.85-56,633,253.48

Finding the Fourth Proportional to 100,686,224.80, 138,945,594.85 and 56,633,253.48

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Solution

The fourth proportional to 100,686,224.80, 138,945,594.85 and 56,633,253.48 is: 78,153,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,686,224.80 : 138,945,594.85 = 56,633,253.48 : x
  2. Step 2: Convert to fraction form
    100,686,224.80/138,945,594.85 = 56,633,253.48/x
  3. Step 3: Cross multiply
    100,686,224.80x = 138,945,594.85 × 56,633,253.48
  4. Step 4: Simplify right side
    100,686,224.80x = 7,868,941,092,927,849
  5. Step 5: Solve for x
    x = 7,868,941,092,927,849/100,686,224.80
  6. Step 6: Final answer
    x = 78,153,104.94

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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.