Home / 115,520,256,133.60-173,280,384,200.40-99,541,313,298.40

Finding the Fourth Proportional to 115,520,256,133.60, 173,280,384,200.40 and 99,541,313,298.40

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Solution

The fourth proportional to 115,520,256,133.60, 173,280,384,200.40 and 99,541,313,298.40 is: 149,311,969,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,520,256,133.60 : 173,280,384,200.40 = 99,541,313,298.40 : x
  2. Step 2: Convert to fraction form
    115,520,256,133.60/173,280,384,200.40 = 99,541,313,298.40/x
  3. Step 3: Cross multiply
    115,520,256,133.60x = 173,280,384,200.40 × 99,541,313,298.40
  4. Step 4: Simplify right side
    115,520,256,133.60x = 17,248,557,012,159,136,006,144
  5. Step 5: Solve for x
    x = 17,248,557,012,159,136,006,144/115,520,256,133.60
  6. Step 6: Final answer
    x = 149,311,969,947.60

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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.