Home / 113,615,999.60-170,423,999.40-68,154,393.20

Finding the Fourth Proportional to 113,615,999.60, 170,423,999.40 and 68,154,393.20

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Solution

The fourth proportional to 113,615,999.60, 170,423,999.40 and 68,154,393.20 is: 102,231,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,615,999.60 : 170,423,999.40 = 68,154,393.20 : x
  2. Step 2: Convert to fraction form
    113,615,999.60/170,423,999.40 = 68,154,393.20/x
  3. Step 3: Cross multiply
    113,615,999.60x = 170,423,999.40 × 68,154,393.20
  4. Step 4: Simplify right side
    113,615,999.60x = 11,615,144,265,824,164
  5. Step 5: Solve for x
    x = 11,615,144,265,824,164/113,615,999.60
  6. Step 6: Final answer
    x = 102,231,589.80

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1.5x scale

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.