Home / 90,995,672.70-136,493,509.05-60,384,671.10

Finding the Fourth Proportional to 90,995,672.70, 136,493,509.05 and 60,384,671.10

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Solution

The fourth proportional to 90,995,672.70, 136,493,509.05 and 60,384,671.10 is: 90,577,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995,672.70 : 136,493,509.05 = 60,384,671.10 : x
  2. Step 2: Convert to fraction form
    90,995,672.70/136,493,509.05 = 60,384,671.10/x
  3. Step 3: Cross multiply
    90,995,672.70x = 136,493,509.05 × 60,384,671.10
  4. Step 4: Simplify right side
    90,995,672.70x = 8,242,115,651,269,124
  5. Step 5: Solve for x
    x = 8,242,115,651,269,124/90,995,672.70
  6. Step 6: Final answer
    x = 90,577,006.65

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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.