Home / 130,320,437.20-195,430,889.40-39,413,813.20

Finding the Fourth Proportional to 130,320,437.20, 195,430,889.40 and 39,413,813.20

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Solution

The fourth proportional to 130,320,437.20, 195,430,889.40 and 39,413,813.20 is: 59,105,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,320,437.20 : 195,430,889.40 = 39,413,813.20 : x
  2. Step 2: Convert to fraction form
    130,320,437.20/195,430,889.40 = 39,413,813.20/x
  3. Step 3: Cross multiply
    130,320,437.20x = 195,430,889.40 × 39,413,813.20
  4. Step 4: Simplify right side
    130,320,437.20x = 7,702,676,568,321,461
  5. Step 5: Solve for x
    x = 7,702,676,568,321,461/130,320,437.20
  6. Step 6: Final answer
    x = 59,105,668.56

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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.