Home / 55,565,958.53-76,680,026.78-30,785,646.89

Finding the Fourth Proportional to 55,565,958.53, 76,680,026.78 and 30,785,646.89

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Solution

The fourth proportional to 55,565,958.53, 76,680,026.78 and 30,785,646.89 is: 42,483,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565,958.53 : 76,680,026.78 = 30,785,646.89 : x
  2. Step 2: Convert to fraction form
    55,565,958.53/76,680,026.78 = 30,785,646.89/x
  3. Step 3: Cross multiply
    55,565,958.53x = 76,680,026.78 × 30,785,646.89
  4. Step 4: Simplify right side
    55,565,958.53x = 2,360,644,227,427,495.50
  5. Step 5: Solve for x
    x = 2,360,644,227,427,495.50/55,565,958.53
  6. Step 6: Final answer
    x = 42,483,640.89

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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.