Home / 82,698,864.60-123,859,340.10-48,686,640.60

Finding the Fourth Proportional to 82,698,864.60, 123,859,340.10 and 48,686,640.60

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Solution

The fourth proportional to 82,698,864.60, 123,859,340.10 and 48,686,640.60 is: 72,918,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,698,864.60 : 123,859,340.10 = 48,686,640.60 : x
  2. Step 2: Convert to fraction form
    82,698,864.60/123,859,340.10 = 48,686,640.60/x
  3. Step 3: Cross multiply
    82,698,864.60x = 123,859,340.10 × 48,686,640.60
  4. Step 4: Simplify right side
    82,698,864.60x = 6,030,295,176,401,868
  5. Step 5: Solve for x
    x = 6,030,295,176,401,868/82,698,864.60
  6. Step 6: Final answer
    x = 72,918,717.88

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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.