Home / 130,571,086.20-195,864,002.10-39,697,639.80

Finding the Fourth Proportional to 130,571,086.20, 195,864,002.10 and 39,697,639.80

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Solution

The fourth proportional to 130,571,086.20, 195,864,002.10 and 39,697,639.80 is: 59,548,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,571,086.20 : 195,864,002.10 = 39,697,639.80 : x
  2. Step 2: Convert to fraction form
    130,571,086.20/195,864,002.10 = 39,697,639.80/x
  3. Step 3: Cross multiply
    130,571,086.20x = 195,864,002.10 × 39,697,639.80
  4. Step 4: Simplify right side
    130,571,086.20x = 7,775,338,605,152,243
  5. Step 5: Solve for x
    x = 7,775,338,605,152,243/130,571,086.20
  6. Step 6: Final answer
    x = 59,548,701.26

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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.