Home / 86,920,128,025.92-130,380,192,038.87-86,920,128,025.92

Finding the Fourth Proportional to 86,920,128,025.92, 130,380,192,038.87 and 86,920,128,025.92

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Solution

The fourth proportional to 86,920,128,025.92, 130,380,192,038.87 and 86,920,128,025.92 is: 130,380,192,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,025.92 : 130,380,192,038.87 = 86,920,128,025.92 : x
  2. Step 2: Convert to fraction form
    86,920,128,025.92/130,380,192,038.87 = 86,920,128,025.92/x
  3. Step 3: Cross multiply
    86,920,128,025.92x = 130,380,192,038.87 × 86,920,128,025.92
  4. Step 4: Simplify right side
    86,920,128,025.92x = 11,332,662,984,061,963,206,656
  5. Step 5: Solve for x
    x = 11,332,662,984,061,963,206,656/86,920,128,025.92
  6. Step 6: Final answer
    x = 130,380,192,038.87

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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.