Home / 98,928,005.10-148,392,007.65-87,968,510.70

Finding the Fourth Proportional to 98,928,005.10, 148,392,007.65 and 87,968,510.70

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Solution

The fourth proportional to 98,928,005.10, 148,392,007.65 and 87,968,510.70 is: 131,952,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,005.10 : 148,392,007.65 = 87,968,510.70 : x
  2. Step 2: Convert to fraction form
    98,928,005.10/148,392,007.65 = 87,968,510.70/x
  3. Step 3: Cross multiply
    98,928,005.10x = 148,392,007.65 × 87,968,510.70
  4. Step 4: Simplify right side
    98,928,005.10x = 13,053,823,912,753,508
  5. Step 5: Solve for x
    x = 13,053,823,912,753,508/98,928,005.10
  6. Step 6: Final answer
    x = 131,952,766.05

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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.