Home / 155,340,901,595.73-214,339,353,508.07-86,741,759,724.01

Finding the Fourth Proportional to 155,340,901,595.73, 214,339,353,508.07 and 86,741,759,724.01

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Solution

The fourth proportional to 155,340,901,595.73, 214,339,353,508.07 and 86,741,759,724.01 is: 119,686,267,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,340,901,595.73 : 214,339,353,508.07 = 86,741,759,724.01 : x
  2. Step 2: Convert to fraction form
    155,340,901,595.73/214,339,353,508.07 = 86,741,759,724.01/x
  3. Step 3: Cross multiply
    155,340,901,595.73x = 214,339,353,508.07 × 86,741,759,724.01
  4. Step 4: Simplify right side
    155,340,901,595.73x = 18,592,172,701,396,005,552,128
  5. Step 5: Solve for x
    x = 18,592,172,701,396,005,552,128/155,340,901,595.73
  6. Step 6: Final answer
    x = 119,686,267,495.61

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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.