Home / 122,582,828.40-169,165,457.48-67,580,653.20

Finding the Fourth Proportional to 122,582,828.40, 169,165,457.48 and 67,580,653.20

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Solution

The fourth proportional to 122,582,828.40, 169,165,457.48 and 67,580,653.20 is: 93,261,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,582,828.40 : 169,165,457.48 = 67,580,653.20 : x
  2. Step 2: Convert to fraction form
    122,582,828.40/169,165,457.48 = 67,580,653.20/x
  3. Step 3: Cross multiply
    122,582,828.40x = 169,165,457.48 × 67,580,653.20
  4. Step 4: Simplify right side
    122,582,828.40x = 11,432,312,115,375,226
  5. Step 5: Solve for x
    x = 11,432,312,115,375,226/122,582,828.40
  6. Step 6: Final answer
    x = 93,261,937.78

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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.