Home / 61,376,270.38-92,065,105.40-20,989,903.66

Finding the Fourth Proportional to 61,376,270.38, 92,065,105.40 and 20,989,903.66

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Solution

The fourth proportional to 61,376,270.38, 92,065,105.40 and 20,989,903.66 is: 31,485,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376,270.38 : 92,065,105.40 = 20,989,903.66 : x
  2. Step 2: Convert to fraction form
    61,376,270.38/92,065,105.40 = 20,989,903.66/x
  3. Step 3: Cross multiply
    61,376,270.38x = 92,065,105.40 × 20,989,903.66
  4. Step 4: Simplify right side
    61,376,270.38x = 1,932,437,692,793,746
  5. Step 5: Solve for x
    x = 1,932,437,692,793,746/61,376,270.38
  6. Step 6: Final answer
    x = 31,485,094.82

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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.