Home / 218,109,530.18-300,992,127.91-118,989,977.20

Finding the Fourth Proportional to 218,109,530.18, 300,992,127.91 and 118,989,977.20

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Solution

The fourth proportional to 218,109,530.18, 300,992,127.91 and 118,989,977.20 is: 164,206,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,109,530.18 : 300,992,127.91 = 118,989,977.20 : x
  2. Step 2: Convert to fraction form
    218,109,530.18/300,992,127.91 = 118,989,977.20/x
  3. Step 3: Cross multiply
    218,109,530.18x = 300,992,127.91 × 118,989,977.20
  4. Step 4: Simplify right side
    218,109,530.18x = 35,815,046,436,340,432
  5. Step 5: Solve for x
    x = 35,815,046,436,340,432/218,109,530.18
  6. Step 6: Final answer
    x = 164,206,701.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.