Home / 130,218,814.74-195,287,083.02-42,765,921.36

Finding the Fourth Proportional to 130,218,814.74, 195,287,083.02 and 42,765,921.36

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Solution

The fourth proportional to 130,218,814.74, 195,287,083.02 and 42,765,921.36 is: 64,135,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218,814.74 : 195,287,083.02 = 42,765,921.36 : x
  2. Step 2: Convert to fraction form
    130,218,814.74/195,287,083.02 = 42,765,921.36/x
  3. Step 3: Cross multiply
    130,218,814.74x = 195,287,083.02 × 42,765,921.36
  4. Step 4: Simplify right side
    130,218,814.74x = 8,351,632,035,057,112
  5. Step 5: Solve for x
    x = 8,351,632,035,057,112/130,218,814.74
  6. Step 6: Final answer
    x = 64,135,371.31

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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.