Home / 139,913,266.77-209,896,800.27-53,644,945.38

Finding the Fourth Proportional to 139,913,266.77, 209,896,800.27 and 53,644,945.38

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Solution

The fourth proportional to 139,913,266.77, 209,896,800.27 and 53,644,945.38 is: 80,477,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,913,266.77 : 209,896,800.27 = 53,644,945.38 : x
  2. Step 2: Convert to fraction form
    139,913,266.77/209,896,800.27 = 53,644,945.38/x
  3. Step 3: Cross multiply
    139,913,266.77x = 209,896,800.27 × 53,644,945.38
  4. Step 4: Simplify right side
    139,913,266.77x = 11,259,902,385,920,920
  5. Step 5: Solve for x
    x = 11,259,902,385,920,920/139,913,266.77
  6. Step 6: Final answer
    x = 80,477,732.00

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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.