Home / 212,216,950.45-292,856,391.91-119,397,236.86

Finding the Fourth Proportional to 212,216,950.45, 292,856,391.91 and 119,397,236.86

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Solution

The fourth proportional to 212,216,950.45, 292,856,391.91 and 119,397,236.86 is: 164,766,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,216,950.45 : 292,856,391.91 = 119,397,236.86 : x
  2. Step 2: Convert to fraction form
    212,216,950.45/292,856,391.91 = 119,397,236.86/x
  3. Step 3: Cross multiply
    212,216,950.45x = 292,856,391.91 × 119,397,236.86
  4. Step 4: Simplify right side
    212,216,950.45x = 34,966,243,991,358,572
  5. Step 5: Solve for x
    x = 34,966,243,991,358,572/212,216,950.45
  6. Step 6: Final answer
    x = 164,766,499.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.