Home / 185,654,271-256,147,022.34-111,287,697.48

Finding the Fourth Proportional to 185,654,271, 256,147,022.34 and 111,287,697.48

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Solution

The fourth proportional to 185,654,271, 256,147,022.34 and 111,287,697.48 is: 153,543,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654,271 : 256,147,022.34 = 111,287,697.48 : x
  2. Step 2: Convert to fraction form
    185,654,271/256,147,022.34 = 111,287,697.48/x
  3. Step 3: Cross multiply
    185,654,271x = 256,147,022.34 × 111,287,697.48
  4. Step 4: Simplify right side
    185,654,271x = 28,506,012,332,576,724
  5. Step 5: Solve for x
    x = 28,506,012,332,576,724/185,654,271
  6. Step 6: Final answer
    x = 153,543,531.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.