Home / 101,598,303.12-140,206,703.40-55,189,476.24

Finding the Fourth Proportional to 101,598,303.12, 140,206,703.40 and 55,189,476.24

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Solution

The fourth proportional to 101,598,303.12, 140,206,703.40 and 55,189,476.24 is: 76,162,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,598,303.12 : 140,206,703.40 = 55,189,476.24 : x
  2. Step 2: Convert to fraction form
    101,598,303.12/140,206,703.40 = 55,189,476.24/x
  3. Step 3: Cross multiply
    101,598,303.12x = 140,206,703.40 × 55,189,476.24
  4. Step 4: Simplify right side
    101,598,303.12x = 7,737,934,525,983,028
  5. Step 5: Solve for x
    x = 7,737,934,525,983,028/101,598,303.12
  6. Step 6: Final answer
    x = 76,162,044.92

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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.