Home / 252,150,686.40-378,226,029.60-98,745,758.40

Finding the Fourth Proportional to 252,150,686.40, 378,226,029.60 and 98,745,758.40

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Solution

The fourth proportional to 252,150,686.40, 378,226,029.60 and 98,745,758.40 is: 148,118,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,150,686.40 : 378,226,029.60 = 98,745,758.40 : x
  2. Step 2: Convert to fraction form
    252,150,686.40/378,226,029.60 = 98,745,758.40/x
  3. Step 3: Cross multiply
    252,150,686.40x = 378,226,029.60 × 98,745,758.40
  4. Step 4: Simplify right side
    252,150,686.40x = 37,348,216,139,472,856
  5. Step 5: Solve for x
    x = 37,348,216,139,472,856/252,150,686.40
  6. Step 6: Final answer
    x = 148,118,637.60

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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.