Home / 130,389,627.40-195,513,582.30-53,720,405.80

Finding the Fourth Proportional to 130,389,627.40, 195,513,582.30 and 53,720,405.80

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Solution

The fourth proportional to 130,389,627.40, 195,513,582.30 and 53,720,405.80 is: 80,551,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,389,627.40 : 195,513,582.30 = 53,720,405.80 : x
  2. Step 2: Convert to fraction form
    130,389,627.40/195,513,582.30 = 53,720,405.80/x
  3. Step 3: Cross multiply
    130,389,627.40x = 195,513,582.30 × 53,720,405.80
  4. Step 4: Simplify right side
    130,389,627.40x = 10,503,068,980,567,698
  5. Step 5: Solve for x
    x = 10,503,068,980,567,698/130,389,627.40
  6. Step 6: Final answer
    x = 80,551,414.94

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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.