Home / 57,102,482.44-78,801,526.02-30,997,018

Finding the Fourth Proportional to 57,102,482.44, 78,801,526.02 and 30,997,018

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Solution

The fourth proportional to 57,102,482.44, 78,801,526.02 and 30,997,018 is: 42,775,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,482.44 : 78,801,526.02 = 30,997,018 : x
  2. Step 2: Convert to fraction form
    57,102,482.44/78,801,526.02 = 30,997,018/x
  3. Step 3: Cross multiply
    57,102,482.44x = 78,801,526.02 × 30,997,018
  4. Step 4: Simplify right side
    57,102,482.44x = 2,442,612,320,469,408
  5. Step 5: Solve for x
    x = 2,442,612,320,469,408/57,102,482.44
  6. Step 6: Final answer
    x = 42,775,939.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.