Home / 54,458,699.60-81,688,049.40-19,915,034.60

Finding the Fourth Proportional to 54,458,699.60, 81,688,049.40 and 19,915,034.60

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Solution

The fourth proportional to 54,458,699.60, 81,688,049.40 and 19,915,034.60 is: 29,872,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458,699.60 : 81,688,049.40 = 19,915,034.60 : x
  2. Step 2: Convert to fraction form
    54,458,699.60/81,688,049.40 = 19,915,034.60/x
  3. Step 3: Cross multiply
    54,458,699.60x = 81,688,049.40 × 19,915,034.60
  4. Step 4: Simplify right side
    54,458,699.60x = 1,626,820,330,207,509.50
  5. Step 5: Solve for x
    x = 1,626,820,330,207,509.50/54,458,699.60
  6. Step 6: Final answer
    x = 29,872,551.90

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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.