Home / 210,339,939.17-315,494,961.90-64,758,320.24

Finding the Fourth Proportional to 210,339,939.17, 315,494,961.90 and 64,758,320.24

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Solution

The fourth proportional to 210,339,939.17, 315,494,961.90 and 64,758,320.24 is: 97,132,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,339,939.17 : 315,494,961.90 = 64,758,320.24 : x
  2. Step 2: Convert to fraction form
    210,339,939.17/315,494,961.90 = 64,758,320.24/x
  3. Step 3: Cross multiply
    210,339,939.17x = 315,494,961.90 × 64,758,320.24
  4. Step 4: Simplify right side
    210,339,939.17x = 20,430,923,775,552,392
  5. Step 5: Solve for x
    x = 20,430,923,775,552,392/210,339,939.17
  6. Step 6: Final answer
    x = 97,132,878.60

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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.