Home / 245,280,751.20-367,921,126.80-190,861,192.80

Finding the Fourth Proportional to 245,280,751.20, 367,921,126.80 and 190,861,192.80

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Solution

The fourth proportional to 245,280,751.20, 367,921,126.80 and 190,861,192.80 is: 286,291,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280,751.20 : 367,921,126.80 = 190,861,192.80 : x
  2. Step 2: Convert to fraction form
    245,280,751.20/367,921,126.80 = 190,861,192.80/x
  3. Step 3: Cross multiply
    245,280,751.20x = 367,921,126.80 × 190,861,192.80
  4. Step 4: Simplify right side
    245,280,751.20x = 70,221,865,117,368,056
  5. Step 5: Solve for x
    x = 70,221,865,117,368,056/245,280,751.20
  6. Step 6: Final answer
    x = 286,291,789.20

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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.