Home / 76,299,077.70-114,448,616.55-72,791,567.10

Finding the Fourth Proportional to 76,299,077.70, 114,448,616.55 and 72,791,567.10

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Solution

The fourth proportional to 76,299,077.70, 114,448,616.55 and 72,791,567.10 is: 109,187,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,299,077.70 : 114,448,616.55 = 72,791,567.10 : x
  2. Step 2: Convert to fraction form
    76,299,077.70/114,448,616.55 = 72,791,567.10/x
  3. Step 3: Cross multiply
    76,299,077.70x = 114,448,616.55 × 72,791,567.10
  4. Step 4: Simplify right side
    76,299,077.70x = 8,330,894,151,101,495
  5. Step 5: Solve for x
    x = 8,330,894,151,101,495/76,299,077.70
  6. Step 6: Final answer
    x = 109,187,350.65

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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.