Home / 228,883,178.85-315,849,176.11-129,770,595.10

Finding the Fourth Proportional to 228,883,178.85, 315,849,176.11 and 129,770,595.10

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Solution

The fourth proportional to 228,883,178.85, 315,849,176.11 and 129,770,595.10 is: 179,077,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,883,178.85 : 315,849,176.11 = 129,770,595.10 : x
  2. Step 2: Convert to fraction form
    228,883,178.85/315,849,176.11 = 129,770,595.10/x
  3. Step 3: Cross multiply
    228,883,178.85x = 315,849,176.11 × 129,770,595.10
  4. Step 4: Simplify right side
    228,883,178.85x = 40,987,935,545,639,400
  5. Step 5: Solve for x
    x = 40,987,935,545,639,400/228,883,178.85
  6. Step 6: Final answer
    x = 179,077,972.23

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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.