Home / 216,887,685.80-325,331,528.70-73,278,444.20

Finding the Fourth Proportional to 216,887,685.80, 325,331,528.70 and 73,278,444.20

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Solution

The fourth proportional to 216,887,685.80, 325,331,528.70 and 73,278,444.20 is: 109,917,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,887,685.80 : 325,331,528.70 = 73,278,444.20 : x
  2. Step 2: Convert to fraction form
    216,887,685.80/325,331,528.70 = 73,278,444.20/x
  3. Step 3: Cross multiply
    216,887,685.80x = 325,331,528.70 × 73,278,444.20
  4. Step 4: Simplify right side
    216,887,685.80x = 23,839,788,272,343,648
  5. Step 5: Solve for x
    x = 23,839,788,272,343,648/216,887,685.80
  6. Step 6: Final answer
    x = 109,917,666.30

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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.