Home / 359,017,260.30-538,525,890.45-140,595,009.30

Finding the Fourth Proportional to 359,017,260.30, 538,525,890.45 and 140,595,009.30

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Solution

The fourth proportional to 359,017,260.30, 538,525,890.45 and 140,595,009.30 is: 210,892,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,017,260.30 : 538,525,890.45 = 140,595,009.30 : x
  2. Step 2: Convert to fraction form
    359,017,260.30/538,525,890.45 = 140,595,009.30/x
  3. Step 3: Cross multiply
    359,017,260.30x = 538,525,890.45 × 140,595,009.30
  4. Step 4: Simplify right side
    359,017,260.30x = 75,714,052,576,108,544
  5. Step 5: Solve for x
    x = 75,714,052,576,108,544/359,017,260.30
  6. Step 6: Final answer
    x = 210,892,513.95

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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.