Home / 140,418,322.20-210,564,497.70-54,128,050.20

Finding the Fourth Proportional to 140,418,322.20, 210,564,497.70 and 54,128,050.20

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Solution

The fourth proportional to 140,418,322.20, 210,564,497.70 and 54,128,050.20 is: 81,167,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,418,322.20 : 210,564,497.70 = 54,128,050.20 : x
  2. Step 2: Convert to fraction form
    140,418,322.20/210,564,497.70 = 54,128,050.20/x
  3. Step 3: Cross multiply
    140,418,322.20x = 210,564,497.70 × 54,128,050.20
  4. Step 4: Simplify right side
    140,418,322.20x = 11,397,445,701,843,384
  5. Step 5: Solve for x
    x = 11,397,445,701,843,384/140,418,322.20
  6. Step 6: Final answer
    x = 81,167,795.79

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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.