Home / 67,021,968-92,497,822.72-40,574,899.20

Finding the Fourth Proportional to 67,021,968, 92,497,822.72 and 40,574,899.20

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Solution

The fourth proportional to 67,021,968, 92,497,822.72 and 40,574,899.20 is: 55,997,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021,968 : 92,497,822.72 = 40,574,899.20 : x
  2. Step 2: Convert to fraction form
    67,021,968/92,497,822.72 = 40,574,899.20/x
  3. Step 3: Cross multiply
    67,021,968x = 92,497,822.72 × 40,574,899.20
  4. Step 4: Simplify right side
    67,021,968x = 3,753,089,833,083,470
  5. Step 5: Solve for x
    x = 3,753,089,833,083,470/67,021,968
  6. Step 6: Final answer
    x = 55,997,905.54

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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.