Home / 55,160,561.47-76,125,031.89-30,380,743.39

Finding the Fourth Proportional to 55,160,561.47, 76,125,031.89 and 30,380,743.39

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Solution

The fourth proportional to 55,160,561.47, 76,125,031.89 and 30,380,743.39 is: 41,927,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160,561.47 : 76,125,031.89 = 30,380,743.39 : x
  2. Step 2: Convert to fraction form
    55,160,561.47/76,125,031.89 = 30,380,743.39/x
  3. Step 3: Cross multiply
    55,160,561.47x = 76,125,031.89 × 30,380,743.39
  4. Step 4: Simplify right side
    55,160,561.47x = 2,312,735,059,072,772
  5. Step 5: Solve for x
    x = 2,312,735,059,072,772/55,160,561.47
  6. Step 6: Final answer
    x = 41,927,329.92

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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.