Home / 55,596,172.91-76,722,585.79-30,478,237.34

Finding the Fourth Proportional to 55,596,172.91, 76,722,585.79 and 30,478,237.34

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Solution

The fourth proportional to 55,596,172.91, 76,722,585.79 and 30,478,237.34 is: 42,059,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,596,172.91 : 76,722,585.79 = 30,478,237.34 : x
  2. Step 2: Convert to fraction form
    55,596,172.91/76,722,585.79 = 30,478,237.34/x
  3. Step 3: Cross multiply
    55,596,172.91x = 76,722,585.79 × 30,478,237.34
  4. Step 4: Simplify right side
    55,596,172.91x = 2,338,369,179,046,131.50
  5. Step 5: Solve for x
    x = 2,338,369,179,046,131.50/55,596,172.91
  6. Step 6: Final answer
    x = 42,059,894.71

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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.