Home / 79,885,416.30-119,828,124.45-41,143,367.40

Finding the Fourth Proportional to 79,885,416.30, 119,828,124.45 and 41,143,367.40

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Solution

The fourth proportional to 79,885,416.30, 119,828,124.45 and 41,143,367.40 is: 61,715,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885,416.30 : 119,828,124.45 = 41,143,367.40 : x
  2. Step 2: Convert to fraction form
    79,885,416.30/119,828,124.45 = 41,143,367.40/x
  3. Step 3: Cross multiply
    79,885,416.30x = 119,828,124.45 × 41,143,367.40
  4. Step 4: Simplify right side
    79,885,416.30x = 4,930,132,549,099,273
  5. Step 5: Solve for x
    x = 4,930,132,549,099,273/79,885,416.30
  6. Step 6: Final answer
    x = 61,715,051.10

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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.