Home / 86,767,905.36-130,017,299.32-50,285,809.20

Finding the Fourth Proportional to 86,767,905.36, 130,017,299.32 and 50,285,809.20

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Solution

The fourth proportional to 86,767,905.36, 130,017,299.32 and 50,285,809.20 is: 75,350,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,767,905.36 : 130,017,299.32 = 50,285,809.20 : x
  2. Step 2: Convert to fraction form
    86,767,905.36/130,017,299.32 = 50,285,809.20/x
  3. Step 3: Cross multiply
    86,767,905.36x = 130,017,299.32 × 50,285,809.20
  4. Step 4: Simplify right side
    86,767,905.36x = 6,538,025,106,304,810
  5. Step 5: Solve for x
    x = 6,538,025,106,304,810/86,767,905.36
  6. Step 6: Final answer
    x = 75,350,731.12

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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.