Home / 295,238,977.30-442,856,133.15-76,888,897.30

Finding the Fourth Proportional to 295,238,977.30, 442,856,133.15 and 76,888,897.30

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Solution

The fourth proportional to 295,238,977.30, 442,856,133.15 and 76,888,897.30 is: 115,332,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,238,977.30 : 442,856,133.15 = 76,888,897.30 : x
  2. Step 2: Convert to fraction form
    295,238,977.30/442,856,133.15 = 76,888,897.30/x
  3. Step 3: Cross multiply
    295,238,977.30x = 442,856,133.15 × 76,888,897.30
  4. Step 4: Simplify right side
    295,238,977.30x = 34,050,719,740,445,472
  5. Step 5: Solve for x
    x = 34,050,719,740,445,472/295,238,977.30
  6. Step 6: Final answer
    x = 115,332,738.42

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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.