Home / 79,441,786.38-109,678,575.48-62,988,373.02

Finding the Fourth Proportional to 79,441,786.38, 109,678,575.48 and 62,988,373.02

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Solution

The fourth proportional to 79,441,786.38, 109,678,575.48 and 62,988,373.02 is: 86,962,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441,786.38 : 109,678,575.48 = 62,988,373.02 : x
  2. Step 2: Convert to fraction form
    79,441,786.38/109,678,575.48 = 62,988,373.02/x
  3. Step 3: Cross multiply
    79,441,786.38x = 109,678,575.48 × 62,988,373.02
  4. Step 4: Simplify right side
    79,441,786.38x = 6,908,475,024,636,466
  5. Step 5: Solve for x
    x = 6,908,475,024,636,466/79,441,786.38
  6. Step 6: Final answer
    x = 86,962,735.10

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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.