Home / 122,713,563.04-169,348,261.52-67,712,961.44

Finding the Fourth Proportional to 122,713,563.04, 169,348,261.52 and 67,712,961.44

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Solution

The fourth proportional to 122,713,563.04, 169,348,261.52 and 67,712,961.44 is: 93,445,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,713,563.04 : 169,348,261.52 = 67,712,961.44 : x
  2. Step 2: Convert to fraction form
    122,713,563.04/169,348,261.52 = 67,712,961.44/x
  3. Step 3: Cross multiply
    122,713,563.04x = 169,348,261.52 × 67,712,961.44
  4. Step 4: Simplify right side
    122,713,563.04x = 11,467,072,302,234,796
  5. Step 5: Solve for x
    x = 11,467,072,302,234,796/122,713,563.04
  6. Step 6: Final answer
    x = 93,445,842.64

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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.