Home / 55,558,220.85-76,675,053.02-30,786,178.14

Finding the Fourth Proportional to 55,558,220.85, 76,675,053.02 and 30,786,178.14

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Solution

The fourth proportional to 55,558,220.85, 76,675,053.02 and 30,786,178.14 is: 42,487,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558,220.85 : 76,675,053.02 = 30,786,178.14 : x
  2. Step 2: Convert to fraction form
    55,558,220.85/76,675,053.02 = 30,786,178.14/x
  3. Step 3: Cross multiply
    55,558,220.85x = 76,675,053.02 × 30,786,178.14
  4. Step 4: Simplify right side
    55,558,220.85x = 2,360,531,841,013,734
  5. Step 5: Solve for x
    x = 2,360,531,841,013,734/55,558,220.85
  6. Step 6: Final answer
    x = 42,487,534.79

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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.