Home / 193,021,352.80-289,532,029.20-162,788,264.80

Finding the Fourth Proportional to 193,021,352.80, 289,532,029.20 and 162,788,264.80

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Solution

The fourth proportional to 193,021,352.80, 289,532,029.20 and 162,788,264.80 is: 244,182,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,021,352.80 : 289,532,029.20 = 162,788,264.80 : x
  2. Step 2: Convert to fraction form
    193,021,352.80/289,532,029.20 = 162,788,264.80/x
  3. Step 3: Cross multiply
    193,021,352.80x = 289,532,029.20 × 162,788,264.80
  4. Step 4: Simplify right side
    193,021,352.80x = 47,132,416,637,490,936
  5. Step 5: Solve for x
    x = 47,132,416,637,490,936/193,021,352.80
  6. Step 6: Final answer
    x = 244,182,397.20

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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.