Home / 118,045,801.20-177,068,701.80-105,610,081.80

Finding the Fourth Proportional to 118,045,801.20, 177,068,701.80 and 105,610,081.80

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Solution

The fourth proportional to 118,045,801.20, 177,068,701.80 and 105,610,081.80 is: 158,415,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045,801.20 : 177,068,701.80 = 105,610,081.80 : x
  2. Step 2: Convert to fraction form
    118,045,801.20/177,068,701.80 = 105,610,081.80/x
  3. Step 3: Cross multiply
    118,045,801.20x = 177,068,701.80 × 105,610,081.80
  4. Step 4: Simplify right side
    118,045,801.20x = 18,700,240,081,317,808
  5. Step 5: Solve for x
    x = 18,700,240,081,317,808/118,045,801.20
  6. Step 6: Final answer
    x = 158,415,122.70

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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.