Home / 55,358,477.20-83,037,715.80-18,954,768.70

Finding the Fourth Proportional to 55,358,477.20, 83,037,715.80 and 18,954,768.70

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Solution

The fourth proportional to 55,358,477.20, 83,037,715.80 and 18,954,768.70 is: 28,432,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358,477.20 : 83,037,715.80 = 18,954,768.70 : x
  2. Step 2: Convert to fraction form
    55,358,477.20/83,037,715.80 = 18,954,768.70/x
  3. Step 3: Cross multiply
    55,358,477.20x = 83,037,715.80 × 18,954,768.70
  4. Step 4: Simplify right side
    55,358,477.20x = 1,573,960,696,365,335.25
  5. Step 5: Solve for x
    x = 1,573,960,696,365,335.25/55,358,477.20
  6. Step 6: Final answer
    x = 28,432,153.05

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1.5x scale

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.