Home / 130,896,004.80-196,344,007.20-40,019,593.80

Finding the Fourth Proportional to 130,896,004.80, 196,344,007.20 and 40,019,593.80

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Solution

The fourth proportional to 130,896,004.80, 196,344,007.20 and 40,019,593.80 is: 60,029,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,896,004.80 : 196,344,007.20 = 40,019,593.80 : x
  2. Step 2: Convert to fraction form
    130,896,004.80/196,344,007.20 = 40,019,593.80/x
  3. Step 3: Cross multiply
    130,896,004.80x = 196,344,007.20 × 40,019,593.80
  4. Step 4: Simplify right side
    130,896,004.80x = 7,857,607,413,208,274
  5. Step 5: Solve for x
    x = 7,857,607,413,208,274/130,896,004.80
  6. Step 6: Final answer
    x = 60,029,390.70

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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.