Home / 77,725,881.20-116,535,677.70-36,804,924.20

Finding the Fourth Proportional to 77,725,881.20, 116,535,677.70 and 36,804,924.20

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Solution

The fourth proportional to 77,725,881.20, 116,535,677.70 and 36,804,924.20 is: 55,182,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725,881.20 : 116,535,677.70 = 36,804,924.20 : x
  2. Step 2: Convert to fraction form
    77,725,881.20/116,535,677.70 = 36,804,924.20/x
  3. Step 3: Cross multiply
    77,725,881.20x = 116,535,677.70 × 36,804,924.20
  4. Step 4: Simplify right side
    77,725,881.20x = 4,289,086,784,344,131
  5. Step 5: Solve for x
    x = 4,289,086,784,344,131/77,725,881.20
  6. Step 6: Final answer
    x = 55,182,221.39

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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.