Home / 108,315,030.73-162,466,565.75-79,198,706.94

Finding the Fourth Proportional to 108,315,030.73, 162,466,565.75 and 79,198,706.94

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Solution

The fourth proportional to 108,315,030.73, 162,466,565.75 and 79,198,706.94 is: 118,793,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,315,030.73 : 162,466,565.75 = 79,198,706.94 : x
  2. Step 2: Convert to fraction form
    108,315,030.73/162,466,565.75 = 79,198,706.94/x
  3. Step 3: Cross multiply
    108,315,030.73x = 162,466,565.75 × 79,198,706.94
  4. Step 4: Simplify right side
    108,315,030.73x = 12,867,141,927,907,920
  5. Step 5: Solve for x
    x = 12,867,141,927,907,920/108,315,030.73
  6. Step 6: Final answer
    x = 118,793,687.65

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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.