Home / 186,625,621.40-279,938,432.10-169,605,512.60

Finding the Fourth Proportional to 186,625,621.40, 279,938,432.10 and 169,605,512.60

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Solution

The fourth proportional to 186,625,621.40, 279,938,432.10 and 169,605,512.60 is: 254,408,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,621.40 : 279,938,432.10 = 169,605,512.60 : x
  2. Step 2: Convert to fraction form
    186,625,621.40/279,938,432.10 = 169,605,512.60/x
  3. Step 3: Cross multiply
    186,625,621.40x = 279,938,432.10 × 169,605,512.60
  4. Step 4: Simplify right side
    186,625,621.40x = 47,479,101,272,760,800
  5. Step 5: Solve for x
    x = 47,479,101,272,760,800/186,625,621.40
  6. Step 6: Final answer
    x = 254,408,268.90

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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.