Home / 86,857,412.80-130,223,133.60-35,713,105.60

Finding the Fourth Proportional to 86,857,412.80, 130,223,133.60 and 35,713,105.60

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Solution

The fourth proportional to 86,857,412.80, 130,223,133.60 and 35,713,105.60 is: 53,543,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857,412.80 : 130,223,133.60 = 35,713,105.60 : x
  2. Step 2: Convert to fraction form
    86,857,412.80/130,223,133.60 = 35,713,105.60/x
  3. Step 3: Cross multiply
    86,857,412.80x = 130,223,133.60 × 35,713,105.60
  4. Step 4: Simplify right side
    86,857,412.80x = 4,650,672,521,819,708
  5. Step 5: Solve for x
    x = 4,650,672,521,819,708/86,857,412.80
  6. Step 6: Final answer
    x = 53,543,760.65

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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.