Home / 159,671,728.30-220,345,701.60-92,696,900.98

Finding the Fourth Proportional to 159,671,728.30, 220,345,701.60 and 92,696,900.98

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Solution

The fourth proportional to 159,671,728.30, 220,345,701.60 and 92,696,900.98 is: 127,920,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,671,728.30 : 220,345,701.60 = 92,696,900.98 : x
  2. Step 2: Convert to fraction form
    159,671,728.30/220,345,701.60 = 92,696,900.98/x
  3. Step 3: Cross multiply
    159,671,728.30x = 220,345,701.60 × 92,696,900.98
  4. Step 4: Simplify right side
    159,671,728.30x = 20,425,363,682,583,828
  5. Step 5: Solve for x
    x = 20,425,363,682,583,828/159,671,728.30
  6. Step 6: Final answer
    x = 127,920,978.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.