Home / 82,742,031.20-124,113,046.80-54,044,217.20

Finding the Fourth Proportional to 82,742,031.20, 124,113,046.80 and 54,044,217.20

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Solution

The fourth proportional to 82,742,031.20, 124,113,046.80 and 54,044,217.20 is: 81,066,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,742,031.20 : 124,113,046.80 = 54,044,217.20 : x
  2. Step 2: Convert to fraction form
    82,742,031.20/124,113,046.80 = 54,044,217.20/x
  3. Step 3: Cross multiply
    82,742,031.20x = 124,113,046.80 × 54,044,217.20
  4. Step 4: Simplify right side
    82,742,031.20x = 6,707,592,458,612,965
  5. Step 5: Solve for x
    x = 6,707,592,458,612,965/82,742,031.20
  6. Step 6: Final answer
    x = 81,066,325.80

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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.