Home / 130,401,228.60-195,601,842.90-39,513,007.80

Finding the Fourth Proportional to 130,401,228.60, 195,601,842.90 and 39,513,007.80

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Solution

The fourth proportional to 130,401,228.60, 195,601,842.90 and 39,513,007.80 is: 59,269,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401,228.60 : 195,601,842.90 = 39,513,007.80 : x
  2. Step 2: Convert to fraction form
    130,401,228.60/195,601,842.90 = 39,513,007.80/x
  3. Step 3: Cross multiply
    130,401,228.60x = 195,601,842.90 × 39,513,007.80
  4. Step 4: Simplify right side
    130,401,228.60x = 7,728,817,144,202,074
  5. Step 5: Solve for x
    x = 7,728,817,144,202,074/130,401,228.60
  6. Step 6: Final answer
    x = 59,269,511.70

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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.