Home / 98,685,319.30-148,113,009.56-68,414,439.94

Finding the Fourth Proportional to 98,685,319.30, 148,113,009.56 and 68,414,439.94

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Solution

The fourth proportional to 98,685,319.30, 148,113,009.56 and 68,414,439.94 is: 102,680,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,685,319.30 : 148,113,009.56 = 68,414,439.94 : x
  2. Step 2: Convert to fraction form
    98,685,319.30/148,113,009.56 = 68,414,439.94/x
  3. Step 3: Cross multiply
    98,685,319.30x = 148,113,009.56 × 68,414,439.94
  4. Step 4: Simplify right side
    98,685,319.30x = 10,133,068,596,875,266
  5. Step 5: Solve for x
    x = 10,133,068,596,875,266/98,685,319.30
  6. Step 6: Final answer
    x = 102,680,608.11

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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.