Home / 69,221,085.84-103,823,697.24-18,108,038.16

Finding the Fourth Proportional to 69,221,085.84, 103,823,697.24 and 18,108,038.16

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Solution

The fourth proportional to 69,221,085.84, 103,823,697.24 and 18,108,038.16 is: 27,159,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221,085.84 : 103,823,697.24 = 18,108,038.16 : x
  2. Step 2: Convert to fraction form
    69,221,085.84/103,823,697.24 = 18,108,038.16/x
  3. Step 3: Cross multiply
    69,221,085.84x = 103,823,697.24 × 18,108,038.16
  4. Step 4: Simplify right side
    69,221,085.84x = 1,880,043,471,534,206.50
  5. Step 5: Solve for x
    x = 1,880,043,471,534,206.50/69,221,085.84
  6. Step 6: Final answer
    x = 27,159,982.38

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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.