Home / 55,355,975.10-83,033,962.65-21,278,432.70

Finding the Fourth Proportional to 55,355,975.10, 83,033,962.65 and 21,278,432.70

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Solution

The fourth proportional to 55,355,975.10, 83,033,962.65 and 21,278,432.70 is: 31,917,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355,975.10 : 83,033,962.65 = 21,278,432.70 : x
  2. Step 2: Convert to fraction form
    55,355,975.10/83,033,962.65 = 21,278,432.70/x
  3. Step 3: Cross multiply
    55,355,975.10x = 83,033,962.65 × 21,278,432.70
  4. Step 4: Simplify right side
    55,355,975.10x = 1,766,832,586,062,338.75
  5. Step 5: Solve for x
    x = 1,766,832,586,062,338.75/55,355,975.10
  6. Step 6: Final answer
    x = 31,917,649.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.