Home / 81,413,943.18-122,020,864.77-37,635,483.96

Finding the Fourth Proportional to 81,413,943.18, 122,020,864.77 and 37,635,483.96

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Solution

The fourth proportional to 81,413,943.18, 122,020,864.77 and 37,635,483.96 is: 56,406,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413,943.18 : 122,020,864.77 = 37,635,483.96 : x
  2. Step 2: Convert to fraction form
    81,413,943.18/122,020,864.77 = 37,635,483.96/x
  3. Step 3: Cross multiply
    81,413,943.18x = 122,020,864.77 × 37,635,483.96
  4. Step 4: Simplify right side
    81,413,943.18x = 4,592,314,298,836,664
  5. Step 5: Solve for x
    x = 4,592,314,298,836,664/81,413,943.18
  6. Step 6: Final answer
    x = 56,406,975.51

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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.