Home / 77,725,877.20-116,535,671.70-36,804,920.20

Finding the Fourth Proportional to 77,725,877.20, 116,535,671.70 and 36,804,920.20

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Solution

The fourth proportional to 77,725,877.20, 116,535,671.70 and 36,804,920.20 is: 55,182,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725,877.20 : 116,535,671.70 = 36,804,920.20 : x
  2. Step 2: Convert to fraction form
    77,725,877.20/116,535,671.70 = 36,804,920.20/x
  3. Step 3: Cross multiply
    77,725,877.20x = 116,535,671.70 × 36,804,920.20
  4. Step 4: Simplify right side
    77,725,877.20x = 4,289,086,097,371,899
  5. Step 5: Solve for x
    x = 4,289,086,097,371,899/77,725,877.20
  6. Step 6: Final answer
    x = 55,182,215.39

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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.