Home / 155,476,157,206.86-214,557,890,349.60-86,888,715,057.90

Finding the Fourth Proportional to 155,476,157,206.86, 214,557,890,349.60 and 86,888,715,057.90

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Solution

The fourth proportional to 155,476,157,206.86, 214,557,890,349.60 and 86,888,715,057.90 is: 119,906,870,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,476,157,206.86 : 214,557,890,349.60 = 86,888,715,057.90 : x
  2. Step 2: Convert to fraction form
    155,476,157,206.86/214,557,890,349.60 = 86,888,715,057.90/x
  3. Step 3: Cross multiply
    155,476,157,206.86x = 214,557,890,349.60 × 86,888,715,057.90
  4. Step 4: Simplify right side
    155,476,157,206.86x = 18,642,659,398,010,546,421,760
  5. Step 5: Solve for x
    x = 18,642,659,398,010,546,421,760/155,476,157,206.86
  6. Step 6: Final answer
    x = 119,906,870,178.21

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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.