Home / 51,881,118.61-77,820,431.09-16,866,187.46

Finding the Fourth Proportional to 51,881,118.61, 77,820,431.09 and 16,866,187.46

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Solution

The fourth proportional to 51,881,118.61, 77,820,431.09 and 16,866,187.46 is: 25,298,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881,118.61 : 77,820,431.09 = 16,866,187.46 : x
  2. Step 2: Convert to fraction form
    51,881,118.61/77,820,431.09 = 16,866,187.46/x
  3. Step 3: Cross multiply
    51,881,118.61x = 77,820,431.09 × 16,866,187.46
  4. Step 4: Simplify right side
    51,881,118.61x = 1,312,533,978,981,952.25
  5. Step 5: Solve for x
    x = 1,312,533,978,981,952.25/51,881,118.61
  6. Step 6: Final answer
    x = 25,298,875.86

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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.