Home / 112,623,937.75-155,421,034.10-61,115,713.75

Finding the Fourth Proportional to 112,623,937.75, 155,421,034.10 and 61,115,713.75

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Solution

The fourth proportional to 112,623,937.75, 155,421,034.10 and 61,115,713.75 is: 84,339,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,937.75 : 155,421,034.10 = 61,115,713.75 : x
  2. Step 2: Convert to fraction form
    112,623,937.75/155,421,034.10 = 61,115,713.75/x
  3. Step 3: Cross multiply
    112,623,937.75x = 155,421,034.10 × 61,115,713.75
  4. Step 4: Simplify right side
    112,623,937.75x = 9,498,667,430,784,588
  5. Step 5: Solve for x
    x = 9,498,667,430,784,588/112,623,937.75
  6. Step 6: Final answer
    x = 84,339,684.98

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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.