Home / 79,441,811.16-109,678,609.62-62,988,397.80

Finding the Fourth Proportional to 79,441,811.16, 109,678,609.62 and 62,988,397.80

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Solution

The fourth proportional to 79,441,811.16, 109,678,609.62 and 62,988,397.80 is: 86,962,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,441,811.16 : 109,678,609.62 = 62,988,397.80 : x
  2. Step 2: Convert to fraction form
    79,441,811.16/109,678,609.62 = 62,988,397.80/x
  3. Step 3: Cross multiply
    79,441,811.16x = 109,678,609.62 × 62,988,397.80
  4. Step 4: Simplify right side
    79,441,811.16x = 6,908,479,892,895,467
  5. Step 5: Solve for x
    x = 6,908,479,892,895,467/79,441,811.16
  6. Step 6: Final answer
    x = 86,962,769.25

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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.