Home / 55,745,314.90-83,538,256.20-38,686,058.80

Finding the Fourth Proportional to 55,745,314.90, 83,538,256.20 and 38,686,058.80

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Solution

The fourth proportional to 55,745,314.90, 83,538,256.20 and 38,686,058.80 is: 57,973,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745,314.90 : 83,538,256.20 = 38,686,058.80 : x
  2. Step 2: Convert to fraction form
    55,745,314.90/83,538,256.20 = 38,686,058.80/x
  3. Step 3: Cross multiply
    55,745,314.90x = 83,538,256.20 × 38,686,058.80
  4. Step 4: Simplify right side
    55,745,314.90x = 3,231,765,891,402,664.50
  5. Step 5: Solve for x
    x = 3,231,765,891,402,664.50/55,745,314.90
  6. Step 6: Final answer
    x = 57,973,766.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.