Home / 45,309,549.67-67,927,429.81-21,063,767.83

Finding the Fourth Proportional to 45,309,549.67, 67,927,429.81 and 21,063,767.83

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Solution

The fourth proportional to 45,309,549.67, 67,927,429.81 and 21,063,767.83 is: 31,578,499.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309,549.67 : 67,927,429.81 = 21,063,767.83 : x
  2. Step 2: Convert to fraction form
    45,309,549.67/67,927,429.81 = 21,063,767.83/x
  3. Step 3: Cross multiply
    45,309,549.67x = 67,927,429.81 × 21,063,767.83
  4. Step 4: Simplify right side
    45,309,549.67x = 1,430,807,610,361,505
  5. Step 5: Solve for x
    x = 1,430,807,610,361,505/45,309,549.67
  6. Step 6: Final answer
    x = 31,578,499.92

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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.