Home / 173,815,986.40-260,723,979.60-87,521,048.80

Finding the Fourth Proportional to 173,815,986.40, 260,723,979.60 and 87,521,048.80

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Solution

The fourth proportional to 173,815,986.40, 260,723,979.60 and 87,521,048.80 is: 131,281,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815,986.40 : 260,723,979.60 = 87,521,048.80 : x
  2. Step 2: Convert to fraction form
    173,815,986.40/260,723,979.60 = 87,521,048.80/x
  3. Step 3: Cross multiply
    173,815,986.40x = 260,723,979.60 × 87,521,048.80
  4. Step 4: Simplify right side
    173,815,986.40x = 22,818,836,141,901,804
  5. Step 5: Solve for x
    x = 22,818,836,141,901,804/173,815,986.40
  6. Step 6: Final answer
    x = 131,281,573.20

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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.