Home / 96,901,329.20-145,219,283.40-78,985,425.20

Finding the Fourth Proportional to 96,901,329.20, 145,219,283.40 and 78,985,425.20

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Solution

The fourth proportional to 96,901,329.20, 145,219,283.40 and 78,985,425.20 is: 118,369,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,901,329.20 : 145,219,283.40 = 78,985,425.20 : x
  2. Step 2: Convert to fraction form
    96,901,329.20/145,219,283.40 = 78,985,425.20/x
  3. Step 3: Cross multiply
    96,901,329.20x = 145,219,283.40 × 78,985,425.20
  4. Step 4: Simplify right side
    96,901,329.20x = 11,470,206,846,588,302
  5. Step 5: Solve for x
    x = 11,470,206,846,588,302/96,901,329.20
  6. Step 6: Final answer
    x = 118,369,963.98

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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.