Home / 140,254,701.88-210,382,053.60-38,018,739.04

Finding the Fourth Proportional to 140,254,701.88, 210,382,053.60 and 38,018,739.04

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Solution

The fourth proportional to 140,254,701.88, 210,382,053.60 and 38,018,739.04 is: 57,028,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254,701.88 : 210,382,053.60 = 38,018,739.04 : x
  2. Step 2: Convert to fraction form
    140,254,701.88/210,382,053.60 = 38,018,739.04/x
  3. Step 3: Cross multiply
    140,254,701.88x = 210,382,053.60 × 38,018,739.04
  4. Step 4: Simplify right side
    140,254,701.88x = 7,998,460,394,517,692
  5. Step 5: Solve for x
    x = 7,998,460,394,517,692/140,254,701.88
  6. Step 6: Final answer
    x = 57,028,108.77

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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.