Home / 174,681,046.20-262,116,047.70-72,455,417.40

Finding the Fourth Proportional to 174,681,046.20, 262,116,047.70 and 72,455,417.40

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Solution

The fourth proportional to 174,681,046.20, 262,116,047.70 and 72,455,417.40 is: 108,722,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,681,046.20 : 262,116,047.70 = 72,455,417.40 : x
  2. Step 2: Convert to fraction form
    174,681,046.20/262,116,047.70 = 72,455,417.40/x
  3. Step 3: Cross multiply
    174,681,046.20x = 262,116,047.70 × 72,455,417.40
  4. Step 4: Simplify right side
    174,681,046.20x = 18,991,727,643,341,812
  5. Step 5: Solve for x
    x = 18,991,727,643,341,812/174,681,046.20
  6. Step 6: Final answer
    x = 108,722,314.51

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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.