Home / 98,685,320.80-148,113,011.81-68,414,441.44

Finding the Fourth Proportional to 98,685,320.80, 148,113,011.81 and 68,414,441.44

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Solution

The fourth proportional to 98,685,320.80, 148,113,011.81 and 68,414,441.44 is: 102,680,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685,320.80 : 148,113,011.81 = 68,414,441.44 : x
  2. Step 2: Convert to fraction form
    98,685,320.80/148,113,011.81 = 68,414,441.44/x
  3. Step 3: Cross multiply
    98,685,320.80x = 148,113,011.81 × 68,414,441.44
  4. Step 4: Simplify right side
    98,685,320.80x = 10,133,068,972,977,274
  5. Step 5: Solve for x
    x = 10,133,068,972,977,274/98,685,320.80
  6. Step 6: Final answer
    x = 102,680,610.36

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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.