Home / 145,208,279.76-217,811,630.52-83,757,604.56

Finding the Fourth Proportional to 145,208,279.76, 217,811,630.52 and 83,757,604.56

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Solution

The fourth proportional to 145,208,279.76, 217,811,630.52 and 83,757,604.56 is: 125,635,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,208,279.76 : 217,811,630.52 = 83,757,604.56 : x
  2. Step 2: Convert to fraction form
    145,208,279.76/217,811,630.52 = 83,757,604.56/x
  3. Step 3: Cross multiply
    145,208,279.76x = 217,811,630.52 × 83,757,604.56
  4. Step 4: Simplify right side
    145,208,279.76x = 18,243,380,417,662,988
  5. Step 5: Solve for x
    x = 18,243,380,417,662,988/145,208,279.76
  6. Step 6: Final answer
    x = 125,635,951.67

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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.