Home / 79,879,811.88-119,810,417.61-21,584,719.98

Finding the Fourth Proportional to 79,879,811.88, 119,810,417.61 and 21,584,719.98

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Solution

The fourth proportional to 79,879,811.88, 119,810,417.61 and 21,584,719.98 is: 32,374,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879,811.88 : 119,810,417.61 = 21,584,719.98 : x
  2. Step 2: Convert to fraction form
    79,879,811.88/119,810,417.61 = 21,584,719.98/x
  3. Step 3: Cross multiply
    79,879,811.88x = 119,810,417.61 × 21,584,719.98
  4. Step 4: Simplify right side
    79,879,811.88x = 2,586,074,314,798,711
  5. Step 5: Solve for x
    x = 2,586,074,314,798,711/79,879,811.88
  6. Step 6: Final answer
    x = 32,374,566.91

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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.