Home / 122,498,297.60-169,045,522.08-66,744,176.16

Finding the Fourth Proportional to 122,498,297.60, 169,045,522.08 and 66,744,176.16

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Solution

The fourth proportional to 122,498,297.60, 169,045,522.08 and 66,744,176.16 is: 92,105,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,498,297.60 : 169,045,522.08 = 66,744,176.16 : x
  2. Step 2: Convert to fraction form
    122,498,297.60/169,045,522.08 = 66,744,176.16/x
  3. Step 3: Cross multiply
    122,498,297.60x = 169,045,522.08 × 66,744,176.16
  4. Step 4: Simplify right side
    122,498,297.60x = 11,282,804,104,766,690
  5. Step 5: Solve for x
    x = 11,282,804,104,766,690/122,498,297.60
  6. Step 6: Final answer
    x = 92,105,803.31

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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.