Home / 114,750,931.20-171,894,153.60-71,487,340.80

Finding the Fourth Proportional to 114,750,931.20, 171,894,153.60 and 71,487,340.80

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Solution

The fourth proportional to 114,750,931.20, 171,894,153.60 and 71,487,340.80 is: 107,086,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,750,931.20 : 171,894,153.60 = 71,487,340.80 : x
  2. Step 2: Convert to fraction form
    114,750,931.20/171,894,153.60 = 71,487,340.80/x
  3. Step 3: Cross multiply
    114,750,931.20x = 171,894,153.60 × 71,487,340.80
  4. Step 4: Simplify right side
    114,750,931.20x = 12,288,255,939,930,746
  5. Step 5: Solve for x
    x = 12,288,255,939,930,746/114,750,931.20
  6. Step 6: Final answer
    x = 107,086,328.72

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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.