Home / 55,168,271.73-76,131,284.87-30,390,776.33

Finding the Fourth Proportional to 55,168,271.73, 76,131,284.87 and 30,390,776.33

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Solution

The fourth proportional to 55,168,271.73, 76,131,284.87 and 30,390,776.33 is: 41,938,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168,271.73 : 76,131,284.87 = 30,390,776.33 : x
  2. Step 2: Convert to fraction form
    55,168,271.73/76,131,284.87 = 30,390,776.33/x
  3. Step 3: Cross multiply
    55,168,271.73x = 76,131,284.87 × 30,390,776.33
  4. Step 4: Simplify right side
    55,168,271.73x = 2,313,688,849,895,003.50
  5. Step 5: Solve for x
    x = 2,313,688,849,895,003.50/55,168,271.73
  6. Step 6: Final answer
    x = 41,938,758.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.