Home / 117,287,150.40-175,930,725.60-74,016,043.20

Finding the Fourth Proportional to 117,287,150.40, 175,930,725.60 and 74,016,043.20

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Solution

The fourth proportional to 117,287,150.40, 175,930,725.60 and 74,016,043.20 is: 111,024,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,287,150.40 : 175,930,725.60 = 74,016,043.20 : x
  2. Step 2: Convert to fraction form
    117,287,150.40/175,930,725.60 = 74,016,043.20/x
  3. Step 3: Cross multiply
    117,287,150.40x = 175,930,725.60 × 74,016,043.20
  4. Step 4: Simplify right side
    117,287,150.40x = 13,021,696,186,216,946
  5. Step 5: Solve for x
    x = 13,021,696,186,216,946/117,287,150.40
  6. Step 6: Final answer
    x = 111,024,064.80

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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.