Home / 112,900,947.95-155,858,050.82-75,717,626.58

Finding the Fourth Proportional to 112,900,947.95, 155,858,050.82 and 75,717,626.58

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Solution

The fourth proportional to 112,900,947.95, 155,858,050.82 and 75,717,626.58 is: 104,527,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,900,947.95 : 155,858,050.82 = 75,717,626.58 : x
  2. Step 2: Convert to fraction form
    112,900,947.95/155,858,050.82 = 75,717,626.58/x
  3. Step 3: Cross multiply
    112,900,947.95x = 155,858,050.82 × 75,717,626.58
  4. Step 4: Simplify right side
    112,900,947.95x = 11,801,201,691,475,422
  5. Step 5: Solve for x
    x = 11,801,201,691,475,422/112,900,947.95
  6. Step 6: Final answer
    x = 104,527,038.13

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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.