Home / 122,262,937.45-168,800,302.25-75,902,386.57

Finding the Fourth Proportional to 122,262,937.45, 168,800,302.25 and 75,902,386.57

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Solution

The fourth proportional to 122,262,937.45, 168,800,302.25 and 75,902,386.57 is: 104,793,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,262,937.45 : 168,800,302.25 = 75,902,386.57 : x
  2. Step 2: Convert to fraction form
    122,262,937.45/168,800,302.25 = 75,902,386.57/x
  3. Step 3: Cross multiply
    122,262,937.45x = 168,800,302.25 × 75,902,386.57
  4. Step 4: Simplify right side
    122,262,937.45x = 12,812,345,793,995,462
  5. Step 5: Solve for x
    x = 12,812,345,793,995,462/122,262,937.45
  6. Step 6: Final answer
    x = 104,793,374.52

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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.