Home / 99,804,571.90-149,545,894.65-56,545,128.70

Finding the Fourth Proportional to 99,804,571.90, 149,545,894.65 and 56,545,128.70

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Solution

The fourth proportional to 99,804,571.90, 149,545,894.65 and 56,545,128.70 is: 84,726,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,571.90 : 149,545,894.65 = 56,545,128.70 : x
  2. Step 2: Convert to fraction form
    99,804,571.90/149,545,894.65 = 56,545,128.70/x
  3. Step 3: Cross multiply
    99,804,571.90x = 149,545,894.65 × 56,545,128.70
  4. Step 4: Simplify right side
    99,804,571.90x = 8,456,091,859,540,892
  5. Step 5: Solve for x
    x = 8,456,091,859,540,892/99,804,571.90
  6. Step 6: Final answer
    x = 84,726,497.98

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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.