Home / 74,880,815-112,321,222.50-18,147,119

Finding the Fourth Proportional to 74,880,815, 112,321,222.50 and 18,147,119

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Solution

The fourth proportional to 74,880,815, 112,321,222.50 and 18,147,119 is: 27,220,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880,815 : 112,321,222.50 = 18,147,119 : x
  2. Step 2: Convert to fraction form
    74,880,815/112,321,222.50 = 18,147,119/x
  3. Step 3: Cross multiply
    74,880,815x = 112,321,222.50 × 18,147,119
  4. Step 4: Simplify right side
    74,880,815x = 2,038,306,590,932,977.50
  5. Step 5: Solve for x
    x = 2,038,306,590,932,977.50/74,880,815
  6. Step 6: Final answer
    x = 27,220,678.50

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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.