Home / 130,320,425.20-195,430,871.40-39,413,801.20

Finding the Fourth Proportional to 130,320,425.20, 195,430,871.40 and 39,413,801.20

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Solution

The fourth proportional to 130,320,425.20, 195,430,871.40 and 39,413,801.20 is: 59,105,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,320,425.20 : 195,430,871.40 = 39,413,801.20 : x
  2. Step 2: Convert to fraction form
    130,320,425.20/195,430,871.40 = 39,413,801.20/x
  3. Step 3: Cross multiply
    130,320,425.20x = 195,430,871.40 × 39,413,801.20
  4. Step 4: Simplify right side
    130,320,425.20x = 7,702,673,513,702,366
  5. Step 5: Solve for x
    x = 7,702,673,513,702,366/130,320,425.20
  6. Step 6: Final answer
    x = 59,105,650.57

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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.