Home / 152,474,409.10-210,414,114.48-86,407,496.20

Finding the Fourth Proportional to 152,474,409.10, 210,414,114.48 and 86,407,496.20

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Solution

The fourth proportional to 152,474,409.10, 210,414,114.48 and 86,407,496.20 is: 119,242,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,474,409.10 : 210,414,114.48 = 86,407,496.20 : x
  2. Step 2: Convert to fraction form
    152,474,409.10/210,414,114.48 = 86,407,496.20/x
  3. Step 3: Cross multiply
    152,474,409.10x = 210,414,114.48 × 86,407,496.20
  4. Step 4: Simplify right side
    152,474,409.10x = 18,181,356,797,356,964
  5. Step 5: Solve for x
    x = 18,181,356,797,356,964/152,474,409.10
  6. Step 6: Final answer
    x = 119,242,021.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.