Home / 144,779,165.64-199,797,176.21-78,700,677.44

Finding the Fourth Proportional to 144,779,165.64, 199,797,176.21 and 78,700,677.44

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Solution

The fourth proportional to 144,779,165.64, 199,797,176.21 and 78,700,677.44 is: 108,607,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,779,165.64 : 199,797,176.21 = 78,700,677.44 : x
  2. Step 2: Convert to fraction form
    144,779,165.64/199,797,176.21 = 78,700,677.44/x
  3. Step 3: Cross multiply
    144,779,165.64x = 199,797,176.21 × 78,700,677.44
  4. Step 4: Simplify right side
    144,779,165.64x = 15,724,173,116,933,564
  5. Step 5: Solve for x
    x = 15,724,173,116,933,564/144,779,165.64
  6. Step 6: Final answer
    x = 108,607,982.70

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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.