Home / 98,928,004.10-148,392,006.15-87,968,509.70

Finding the Fourth Proportional to 98,928,004.10, 148,392,006.15 and 87,968,509.70

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Solution

The fourth proportional to 98,928,004.10, 148,392,006.15 and 87,968,509.70 is: 131,952,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,004.10 : 148,392,006.15 = 87,968,509.70 : x
  2. Step 2: Convert to fraction form
    98,928,004.10/148,392,006.15 = 87,968,509.70/x
  3. Step 3: Cross multiply
    98,928,004.10x = 148,392,006.15 × 87,968,509.70
  4. Step 4: Simplify right side
    98,928,004.10x = 13,053,823,632,408,736
  5. Step 5: Solve for x
    x = 13,053,823,632,408,736/98,928,004.10
  6. Step 6: Final answer
    x = 131,952,764.55

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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.