Home / 245,280,752.20-367,921,128.30-190,861,193.80

Finding the Fourth Proportional to 245,280,752.20, 367,921,128.30 and 190,861,193.80

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Solution

The fourth proportional to 245,280,752.20, 367,921,128.30 and 190,861,193.80 is: 286,291,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280,752.20 : 367,921,128.30 = 190,861,193.80 : x
  2. Step 2: Convert to fraction form
    245,280,752.20/367,921,128.30 = 190,861,193.80/x
  3. Step 3: Cross multiply
    245,280,752.20x = 367,921,128.30 × 190,861,193.80
  4. Step 4: Simplify right side
    245,280,752.20x = 70,221,865,771,580,968
  5. Step 5: Solve for x
    x = 70,221,865,771,580,968/245,280,752.20
  6. Step 6: Final answer
    x = 286,291,790.70

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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.