Home / 293,755,694.40-440,742,016.80-121,247,467.20

Finding the Fourth Proportional to 293,755,694.40, 440,742,016.80 and 121,247,467.20

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Solution

The fourth proportional to 293,755,694.40, 440,742,016.80 and 121,247,467.20 is: 181,915,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,755,694.40 : 440,742,016.80 = 121,247,467.20 : x
  2. Step 2: Convert to fraction form
    293,755,694.40/440,742,016.80 = 121,247,467.20/x
  3. Step 3: Cross multiply
    293,755,694.40x = 440,742,016.80 × 121,247,467.20
  4. Step 4: Simplify right side
    293,755,694.40x = 53,438,853,225,619,848
  5. Step 5: Solve for x
    x = 53,438,853,225,619,848/293,755,694.40
  6. Step 6: Final answer
    x = 181,915,973.87

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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.