Home / 293,414,947.20-440,122,420.80-140,359,939.20

Finding the Fourth Proportional to 293,414,947.20, 440,122,420.80 and 140,359,939.20

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Solution

The fourth proportional to 293,414,947.20, 440,122,420.80 and 140,359,939.20 is: 210,539,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,414,947.20 : 440,122,420.80 = 140,359,939.20 : x
  2. Step 2: Convert to fraction form
    293,414,947.20/440,122,420.80 = 140,359,939.20/x
  3. Step 3: Cross multiply
    293,414,947.20x = 440,122,420.80 × 140,359,939.20
  4. Step 4: Simplify right side
    293,414,947.20x = 61,775,556,224,044,808
  5. Step 5: Solve for x
    x = 61,775,556,224,044,808/293,414,947.20
  6. Step 6: Final answer
    x = 210,539,908.80

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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.