Home / 146,748,939.60-220,123,409.40-83,047,947.60

Finding the Fourth Proportional to 146,748,939.60, 220,123,409.40 and 83,047,947.60

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Solution

The fourth proportional to 146,748,939.60, 220,123,409.40 and 83,047,947.60 is: 124,571,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,748,939.60 : 220,123,409.40 = 83,047,947.60 : x
  2. Step 2: Convert to fraction form
    146,748,939.60/220,123,409.40 = 83,047,947.60/x
  3. Step 3: Cross multiply
    146,748,939.60x = 220,123,409.40 × 83,047,947.60
  4. Step 4: Simplify right side
    146,748,939.60x = 18,280,797,369,384,548
  5. Step 5: Solve for x
    x = 18,280,797,369,384,548/146,748,939.60
  6. Step 6: Final answer
    x = 124,571,921.40

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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.