Home / 84,121,386.60-126,182,079.90-36,252,330.60

Finding the Fourth Proportional to 84,121,386.60, 126,182,079.90 and 36,252,330.60

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Solution

The fourth proportional to 84,121,386.60, 126,182,079.90 and 36,252,330.60 is: 54,378,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,121,386.60 : 126,182,079.90 = 36,252,330.60 : x
  2. Step 2: Convert to fraction form
    84,121,386.60/126,182,079.90 = 36,252,330.60/x
  3. Step 3: Cross multiply
    84,121,386.60x = 126,182,079.90 × 36,252,330.60
  4. Step 4: Simplify right side
    84,121,386.60x = 4,574,394,476,330,415
  5. Step 5: Solve for x
    x = 4,574,394,476,330,415/84,121,386.60
  6. Step 6: Final answer
    x = 54,378,495.90

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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.