Home / 79,492,313.70-119,238,470.55-43,118,129.70

Finding the Fourth Proportional to 79,492,313.70, 119,238,470.55 and 43,118,129.70

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Solution

The fourth proportional to 79,492,313.70, 119,238,470.55 and 43,118,129.70 is: 64,677,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,492,313.70 : 119,238,470.55 = 43,118,129.70 : x
  2. Step 2: Convert to fraction form
    79,492,313.70/119,238,470.55 = 43,118,129.70/x
  3. Step 3: Cross multiply
    79,492,313.70x = 119,238,470.55 × 43,118,129.70
  4. Step 4: Simplify right side
    79,492,313.70x = 5,141,339,838,404,531
  5. Step 5: Solve for x
    x = 5,141,339,838,404,531/79,492,313.70
  6. Step 6: Final answer
    x = 64,677,194.55

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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.