Home / 219,264,505.60-328,896,758.40-199,109,113.60

Finding the Fourth Proportional to 219,264,505.60, 328,896,758.40 and 199,109,113.60

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Solution

The fourth proportional to 219,264,505.60, 328,896,758.40 and 199,109,113.60 is: 298,663,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,264,505.60 : 328,896,758.40 = 199,109,113.60 : x
  2. Step 2: Convert to fraction form
    219,264,505.60/328,896,758.40 = 199,109,113.60/x
  3. Step 3: Cross multiply
    219,264,505.60x = 328,896,758.40 × 199,109,113.60
  4. Step 4: Simplify right side
    219,264,505.60x = 65,486,342,030,937,344
  5. Step 5: Solve for x
    x = 65,486,342,030,937,344/219,264,505.60
  6. Step 6: Final answer
    x = 298,663,670.40

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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.