Home / 98,869,437.92-148,389,537.36-68,598,558.56

Finding the Fourth Proportional to 98,869,437.92, 148,389,537.36 and 68,598,558.56

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Solution

The fourth proportional to 98,869,437.92, 148,389,537.36 and 68,598,558.56 is: 102,957,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869,437.92 : 148,389,537.36 = 68,598,558.56 : x
  2. Step 2: Convert to fraction form
    98,869,437.92/148,389,537.36 = 68,598,558.56/x
  3. Step 3: Cross multiply
    98,869,437.92x = 148,389,537.36 × 68,598,558.56
  4. Step 4: Simplify right side
    98,869,437.92x = 10,179,308,368,281,270
  5. Step 5: Solve for x
    x = 10,179,308,368,281,270/98,869,437.92
  6. Step 6: Final answer
    x = 102,957,077.36

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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.