Home / 190,816,279.60-286,224,419.40-130,350,103.60

Finding the Fourth Proportional to 190,816,279.60, 286,224,419.40 and 130,350,103.60

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Solution

The fourth proportional to 190,816,279.60, 286,224,419.40 and 130,350,103.60 is: 195,525,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,816,279.60 : 286,224,419.40 = 130,350,103.60 : x
  2. Step 2: Convert to fraction form
    190,816,279.60/286,224,419.40 = 130,350,103.60/x
  3. Step 3: Cross multiply
    190,816,279.60x = 286,224,419.40 × 130,350,103.60
  4. Step 4: Simplify right side
    190,816,279.60x = 37,309,382,721,639,848
  5. Step 5: Solve for x
    x = 37,309,382,721,639,848/190,816,279.60
  6. Step 6: Final answer
    x = 195,525,155.40

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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.