Home / 52,177,168.70-71,988,345.56-30,142,628.36

Finding the Fourth Proportional to 52,177,168.70, 71,988,345.56 and 30,142,628.36

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Solution

The fourth proportional to 52,177,168.70, 71,988,345.56 and 30,142,628.36 is: 41,587,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177,168.70 : 71,988,345.56 = 30,142,628.36 : x
  2. Step 2: Convert to fraction form
    52,177,168.70/71,988,345.56 = 30,142,628.36/x
  3. Step 3: Cross multiply
    52,177,168.70x = 71,988,345.56 × 30,142,628.36
  4. Step 4: Simplify right side
    52,177,168.70x = 2,169,917,946,466,336
  5. Step 5: Solve for x
    x = 2,169,917,946,466,336/52,177,168.70
  6. Step 6: Final answer
    x = 41,587,498.91

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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.