Home / 144,282,079.20-216,558,421.20-76,173,650.40

Finding the Fourth Proportional to 144,282,079.20, 216,558,421.20 and 76,173,650.40

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Solution

The fourth proportional to 144,282,079.20, 216,558,421.20 and 76,173,650.40 is: 114,331,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,282,079.20 : 216,558,421.20 = 76,173,650.40 : x
  2. Step 2: Convert to fraction form
    144,282,079.20/216,558,421.20 = 76,173,650.40/x
  3. Step 3: Cross multiply
    144,282,079.20x = 216,558,421.20 × 76,173,650.40
  4. Step 4: Simplify right side
    144,282,079.20x = 16,496,045,467,664,748
  5. Step 5: Solve for x
    x = 16,496,045,467,664,748/144,282,079.20
  6. Step 6: Final answer
    x = 114,331,908.43

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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.