Home / 503,939,712.30-755,909,568.45-140,434,068.30

Finding the Fourth Proportional to 503,939,712.30, 755,909,568.45 and 140,434,068.30

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Solution

The fourth proportional to 503,939,712.30, 755,909,568.45 and 140,434,068.30 is: 210,651,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,939,712.30 : 755,909,568.45 = 140,434,068.30 : x
  2. Step 2: Convert to fraction form
    503,939,712.30/755,909,568.45 = 140,434,068.30/x
  3. Step 3: Cross multiply
    503,939,712.30x = 755,909,568.45 × 140,434,068.30
  4. Step 4: Simplify right side
    503,939,712.30x = 106,155,455,964,330,848
  5. Step 5: Solve for x
    x = 106,155,455,964,330,848/503,939,712.30
  6. Step 6: Final answer
    x = 210,651,102.45

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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.