Home / 69,271,479.77-103,890,423.49-28,859,918.81

Finding the Fourth Proportional to 69,271,479.77, 103,890,423.49 and 28,859,918.81

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Solution

The fourth proportional to 69,271,479.77, 103,890,423.49 and 28,859,918.81 is: 43,282,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,271,479.77 : 103,890,423.49 = 28,859,918.81 : x
  2. Step 2: Convert to fraction form
    69,271,479.77/103,890,423.49 = 28,859,918.81/x
  3. Step 3: Cross multiply
    69,271,479.77x = 103,890,423.49 × 28,859,918.81
  4. Step 4: Simplify right side
    69,271,479.77x = 2,998,269,186,466,315
  5. Step 5: Solve for x
    x = 2,998,269,186,466,315/69,271,479.77
  6. Step 6: Final answer
    x = 43,282,880.58

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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.