Home / 272,397,422.25-408,520,477.73-75,615,594.57

Finding the Fourth Proportional to 272,397,422.25, 408,520,477.73 and 75,615,594.57

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Solution

The fourth proportional to 272,397,422.25, 408,520,477.73 and 75,615,594.57 is: 113,402,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,397,422.25 : 408,520,477.73 = 75,615,594.57 : x
  2. Step 2: Convert to fraction form
    272,397,422.25/408,520,477.73 = 75,615,594.57/x
  3. Step 3: Cross multiply
    272,397,422.25x = 408,520,477.73 × 75,615,594.57
  4. Step 4: Simplify right side
    272,397,422.25x = 30,890,518,817,196,316
  5. Step 5: Solve for x
    x = 30,890,518,817,196,316/272,397,422.25
  6. Step 6: Final answer
    x = 113,402,390.38

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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.