Home / 86,803,626.40-130,227,212.40-38,290,717.60

Finding the Fourth Proportional to 86,803,626.40, 130,227,212.40 and 38,290,717.60

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Solution

The fourth proportional to 86,803,626.40, 130,227,212.40 and 38,290,717.60 is: 57,445,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,803,626.40 : 130,227,212.40 = 38,290,717.60 : x
  2. Step 2: Convert to fraction form
    86,803,626.40/130,227,212.40 = 38,290,717.60/x
  3. Step 3: Cross multiply
    86,803,626.40x = 130,227,212.40 × 38,290,717.60
  4. Step 4: Simplify right side
    86,803,626.40x = 4,986,493,413,843,619
  5. Step 5: Solve for x
    x = 4,986,493,413,843,619/86,803,626.40
  6. Step 6: Final answer
    x = 57,445,680.79

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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.