Home / 118,584,077.60-177,876,116.40-84,146,700.80

Finding the Fourth Proportional to 118,584,077.60, 177,876,116.40 and 84,146,700.80

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Solution

The fourth proportional to 118,584,077.60, 177,876,116.40 and 84,146,700.80 is: 126,220,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,584,077.60 : 177,876,116.40 = 84,146,700.80 : x
  2. Step 2: Convert to fraction form
    118,584,077.60/177,876,116.40 = 84,146,700.80/x
  3. Step 3: Cross multiply
    118,584,077.60x = 177,876,116.40 × 84,146,700.80
  4. Step 4: Simplify right side
    118,584,077.60x = 14,967,688,346,176,774
  5. Step 5: Solve for x
    x = 14,967,688,346,176,774/118,584,077.60
  6. Step 6: Final answer
    x = 126,220,051.20

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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.