Home / 132,678,904.20-199,018,356.30-67,961,200.20

Finding the Fourth Proportional to 132,678,904.20, 199,018,356.30 and 67,961,200.20

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Solution

The fourth proportional to 132,678,904.20, 199,018,356.30 and 67,961,200.20 is: 101,941,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,678,904.20 : 199,018,356.30 = 67,961,200.20 : x
  2. Step 2: Convert to fraction form
    132,678,904.20/199,018,356.30 = 67,961,200.20/x
  3. Step 3: Cross multiply
    132,678,904.20x = 199,018,356.30 × 67,961,200.20
  4. Step 4: Simplify right side
    132,678,904.20x = 13,525,526,355,979,232
  5. Step 5: Solve for x
    x = 13,525,526,355,979,232/132,678,904.20
  6. Step 6: Final answer
    x = 101,941,800.30

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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.