Home / 130,709,404.20-196,071,479.10-39,835,957.80

Finding the Fourth Proportional to 130,709,404.20, 196,071,479.10 and 39,835,957.80

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Solution

The fourth proportional to 130,709,404.20, 196,071,479.10 and 39,835,957.80 is: 59,756,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,709,404.20 : 196,071,479.10 = 39,835,957.80 : x
  2. Step 2: Convert to fraction form
    130,709,404.20/196,071,479.10 = 39,835,957.80/x
  3. Step 3: Cross multiply
    130,709,404.20x = 196,071,479.10 × 39,835,957.80
  4. Step 4: Simplify right side
    130,709,404.20x = 7,810,695,167,211,181
  5. Step 5: Solve for x
    x = 7,810,695,167,211,181/130,709,404.20
  6. Step 6: Final answer
    x = 59,756,183.69

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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.