Home / 198,466,655.79-297,714,155.44-52,899,454.65

Finding the Fourth Proportional to 198,466,655.79, 297,714,155.44 and 52,899,454.65

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Solution

The fourth proportional to 198,466,655.79, 297,714,155.44 and 52,899,454.65 is: 79,352,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,466,655.79 : 297,714,155.44 = 52,899,454.65 : x
  2. Step 2: Convert to fraction form
    198,466,655.79/297,714,155.44 = 52,899,454.65/x
  3. Step 3: Cross multiply
    198,466,655.79x = 297,714,155.44 × 52,899,454.65
  4. Step 4: Simplify right side
    198,466,655.79x = 15,748,916,462,740,512
  5. Step 5: Solve for x
    x = 15,748,916,462,740,512/198,466,655.79
  6. Step 6: Final answer
    x = 79,352,959.32

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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.