Home / 130,401,269.60-195,601,904.40-39,513,048.80

Finding the Fourth Proportional to 130,401,269.60, 195,601,904.40 and 39,513,048.80

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Solution

The fourth proportional to 130,401,269.60, 195,601,904.40 and 39,513,048.80 is: 59,269,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401,269.60 : 195,601,904.40 = 39,513,048.80 : x
  2. Step 2: Convert to fraction form
    130,401,269.60/195,601,904.40 = 39,513,048.80/x
  3. Step 3: Cross multiply
    130,401,269.60x = 195,601,904.40 × 39,513,048.80
  4. Step 4: Simplify right side
    130,401,269.60x = 7,728,827,593,930,134
  5. Step 5: Solve for x
    x = 7,728,827,593,930,134/130,401,269.60
  6. Step 6: Final answer
    x = 59,269,573.20

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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.