Home / 104,248,378.48-143,862,780.09-57,838,521.69

Finding the Fourth Proportional to 104,248,378.48, 143,862,780.09 and 57,838,521.69

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Solution

The fourth proportional to 104,248,378.48, 143,862,780.09 and 57,838,521.69 is: 79,817,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248,378.48 : 143,862,780.09 = 57,838,521.69 : x
  2. Step 2: Convert to fraction form
    104,248,378.48/143,862,780.09 = 57,838,521.69/x
  3. Step 3: Cross multiply
    104,248,378.48x = 143,862,780.09 × 57,838,521.69
  4. Step 4: Simplify right side
    104,248,378.48x = 8,320,810,526,619,165
  5. Step 5: Solve for x
    x = 8,320,810,526,619,165/104,248,378.48
  6. Step 6: Final answer
    x = 79,817,169.80

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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.