Home / 92,896,334.12-128,191,920.90-51,640,299.56

Finding the Fourth Proportional to 92,896,334.12, 128,191,920.90 and 51,640,299.56

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Solution

The fourth proportional to 92,896,334.12, 128,191,920.90 and 51,640,299.56 is: 71,260,822.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,896,334.12 : 128,191,920.90 = 51,640,299.56 : x
  2. Step 2: Convert to fraction form
    92,896,334.12/128,191,920.90 = 51,640,299.56/x
  3. Step 3: Cross multiply
    92,896,334.12x = 128,191,920.90 × 51,640,299.56
  4. Step 4: Simplify right side
    92,896,334.12x = 6,619,869,196,447,825
  5. Step 5: Solve for x
    x = 6,619,869,196,447,825/92,896,334.12
  6. Step 6: Final answer
    x = 71,260,822.71

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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.