Home / 245,280,773.70-367,921,160.55-190,861,215.30

Finding the Fourth Proportional to 245,280,773.70, 367,921,160.55 and 190,861,215.30

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Solution

The fourth proportional to 245,280,773.70, 367,921,160.55 and 190,861,215.30 is: 286,291,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280,773.70 : 367,921,160.55 = 190,861,215.30 : x
  2. Step 2: Convert to fraction form
    245,280,773.70/367,921,160.55 = 190,861,215.30/x
  3. Step 3: Cross multiply
    245,280,773.70x = 367,921,160.55 × 190,861,215.30
  4. Step 4: Simplify right side
    245,280,773.70x = 70,221,879,837,159,424
  5. Step 5: Solve for x
    x = 70,221,879,837,159,424/245,280,773.70
  6. Step 6: Final answer
    x = 286,291,822.95

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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.