Home / 113,325,374.40-169,988,061.60-90,650,558.40

Finding the Fourth Proportional to 113,325,374.40, 169,988,061.60 and 90,650,558.40

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Solution

The fourth proportional to 113,325,374.40, 169,988,061.60 and 90,650,558.40 is: 135,975,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325,374.40 : 169,988,061.60 = 90,650,558.40 : x
  2. Step 2: Convert to fraction form
    113,325,374.40/169,988,061.60 = 90,650,558.40/x
  3. Step 3: Cross multiply
    113,325,374.40x = 169,988,061.60 × 90,650,558.40
  4. Step 4: Simplify right side
    113,325,374.40x = 15,409,512,705,373,598
  5. Step 5: Solve for x
    x = 15,409,512,705,373,598/113,325,374.40
  6. Step 6: Final answer
    x = 135,975,837.60

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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.