Home / 55,473,607.84-76,555,835.10-30,693,391.54

Finding the Fourth Proportional to 55,473,607.84, 76,555,835.10 and 30,693,391.54

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Solution

The fourth proportional to 55,473,607.84, 76,555,835.10 and 30,693,391.54 is: 42,358,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,473,607.84 : 76,555,835.10 = 30,693,391.54 : x
  2. Step 2: Convert to fraction form
    55,473,607.84/76,555,835.10 = 30,693,391.54/x
  3. Step 3: Cross multiply
    55,473,607.84x = 76,555,835.10 × 30,693,391.54
  4. Step 4: Simplify right side
    55,473,607.84x = 2,349,758,221,395,975
  5. Step 5: Solve for x
    x = 2,349,758,221,395,975/55,473,607.84
  6. Step 6: Final answer
    x = 42,358,128.72

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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.