Home / 118,101,631.20-177,152,446.80-83,664,254.40

Finding the Fourth Proportional to 118,101,631.20, 177,152,446.80 and 83,664,254.40

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Solution

The fourth proportional to 118,101,631.20, 177,152,446.80 and 83,664,254.40 is: 125,496,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,101,631.20 : 177,152,446.80 = 83,664,254.40 : x
  2. Step 2: Convert to fraction form
    118,101,631.20/177,152,446.80 = 83,664,254.40/x
  3. Step 3: Cross multiply
    118,101,631.20x = 177,152,446.80 × 83,664,254.40
  4. Step 4: Simplify right side
    118,101,631.20x = 14,821,327,376,657,668
  5. Step 5: Solve for x
    x = 14,821,327,376,657,668/118,101,631.20
  6. Step 6: Final answer
    x = 125,496,381.60

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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.