Home / 130,029,443.20-195,044,164.80-53,407,460.80

Finding the Fourth Proportional to 130,029,443.20, 195,044,164.80 and 53,407,460.80

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Solution

The fourth proportional to 130,029,443.20, 195,044,164.80 and 53,407,460.80 is: 80,111,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,029,443.20 : 195,044,164.80 = 53,407,460.80 : x
  2. Step 2: Convert to fraction form
    130,029,443.20/195,044,164.80 = 53,407,460.80/x
  3. Step 3: Cross multiply
    130,029,443.20x = 195,044,164.80 × 53,407,460.80
  4. Step 4: Simplify right side
    130,029,443.20x = 10,416,813,585,824,740
  5. Step 5: Solve for x
    x = 10,416,813,585,824,740/130,029,443.20
  6. Step 6: Final answer
    x = 80,111,191.20

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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.