Home / 174,685,428.16-261,890,078.24-87,202,046.40

Finding the Fourth Proportional to 174,685,428.16, 261,890,078.24 and 87,202,046.40

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Solution

The fourth proportional to 174,685,428.16, 261,890,078.24 and 87,202,046.40 is: 130,734,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,685,428.16 : 261,890,078.24 = 87,202,046.40 : x
  2. Step 2: Convert to fraction form
    174,685,428.16/261,890,078.24 = 87,202,046.40/x
  3. Step 3: Cross multiply
    174,685,428.16x = 261,890,078.24 × 87,202,046.40
  4. Step 4: Simplify right side
    174,685,428.16x = 22,837,350,754,384,112
  5. Step 5: Solve for x
    x = 22,837,350,754,384,112/174,685,428.16
  6. Step 6: Final answer
    x = 130,734,148.78

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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.