Home / 122,804,520.16-169,469,766.48-67,799,973.28

Finding the Fourth Proportional to 122,804,520.16, 169,469,766.48 and 67,799,973.28

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Solution

The fourth proportional to 122,804,520.16, 169,469,766.48 and 67,799,973.28 is: 93,563,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,804,520.16 : 169,469,766.48 = 67,799,973.28 : x
  2. Step 2: Convert to fraction form
    122,804,520.16/169,469,766.48 = 67,799,973.28/x
  3. Step 3: Cross multiply
    122,804,520.16x = 169,469,766.48 × 67,799,973.28
  4. Step 4: Simplify right side
    122,804,520.16x = 11,490,045,639,111,840
  5. Step 5: Solve for x
    x = 11,490,045,639,111,840/122,804,520.16
  6. Step 6: Final answer
    x = 93,563,702.90

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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.