Home / 117,287,107.40-175,930,661.10-74,016,000.20

Finding the Fourth Proportional to 117,287,107.40, 175,930,661.10 and 74,016,000.20

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Solution

The fourth proportional to 117,287,107.40, 175,930,661.10 and 74,016,000.20 is: 111,024,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,287,107.40 : 175,930,661.10 = 74,016,000.20 : x
  2. Step 2: Convert to fraction form
    117,287,107.40/175,930,661.10 = 74,016,000.20/x
  3. Step 3: Cross multiply
    117,287,107.40x = 175,930,661.10 × 74,016,000.20
  4. Step 4: Simplify right side
    117,287,107.40x = 13,021,683,847,163,732
  5. Step 5: Solve for x
    x = 13,021,683,847,163,732/117,287,107.40
  6. Step 6: Final answer
    x = 111,024,000.30

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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.