Home / 130,389,704.40-195,513,697.80-53,720,482.80

Finding the Fourth Proportional to 130,389,704.40, 195,513,697.80 and 53,720,482.80

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Solution

The fourth proportional to 130,389,704.40, 195,513,697.80 and 53,720,482.80 is: 80,551,530.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,389,704.40 : 195,513,697.80 = 53,720,482.80 : x
  2. Step 2: Convert to fraction form
    130,389,704.40/195,513,697.80 = 53,720,482.80/x
  3. Step 3: Cross multiply
    130,389,704.40x = 195,513,697.80 × 53,720,482.80
  4. Step 4: Simplify right side
    130,389,704.40x = 10,503,090,239,829,298
  5. Step 5: Solve for x
    x = 10,503,090,239,829,298/130,389,704.40
  6. Step 6: Final answer
    x = 80,551,530.42

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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.