Home / 293,755,951.40-440,742,402.30-121,247,724.20

Finding the Fourth Proportional to 293,755,951.40, 440,742,402.30 and 121,247,724.20

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Solution

The fourth proportional to 293,755,951.40, 440,742,402.30 and 121,247,724.20 is: 181,916,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,755,951.40 : 440,742,402.30 = 121,247,724.20 : x
  2. Step 2: Convert to fraction form
    293,755,951.40/440,742,402.30 = 121,247,724.20/x
  3. Step 3: Cross multiply
    293,755,951.40x = 440,742,402.30 × 121,247,724.20
  4. Step 4: Simplify right side
    293,755,951.40x = 53,439,013,237,315,848
  5. Step 5: Solve for x
    x = 53,439,013,237,315,848/293,755,951.40
  6. Step 6: Final answer
    x = 181,916,359.42

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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.