Home / 130,675,196.92-195,520,292.70-77,957,911.84

Finding the Fourth Proportional to 130,675,196.92, 195,520,292.70 and 77,957,911.84

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Solution

The fourth proportional to 130,675,196.92, 195,520,292.70 and 77,957,911.84 is: 116,643,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,675,196.92 : 195,520,292.70 = 77,957,911.84 : x
  2. Step 2: Convert to fraction form
    130,675,196.92/195,520,292.70 = 77,957,911.84/x
  3. Step 3: Cross multiply
    130,675,196.92x = 195,520,292.70 × 77,957,911.84
  4. Step 4: Simplify right side
    130,675,196.92x = 15,242,353,741,237,596
  5. Step 5: Solve for x
    x = 15,242,353,741,237,596/130,675,196.92
  6. Step 6: Final answer
    x = 116,643,051.63

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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.