Home / 155,476,157,443.30-214,557,890,675.61-86,888,715,295.78

Finding the Fourth Proportional to 155,476,157,443.30, 214,557,890,675.61 and 86,888,715,295.78

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Solution

The fourth proportional to 155,476,157,443.30, 214,557,890,675.61 and 86,888,715,295.78 is: 119,906,870,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,476,157,443.30 : 214,557,890,675.61 = 86,888,715,295.78 : x
  2. Step 2: Convert to fraction form
    155,476,157,443.30/214,557,890,675.61 = 86,888,715,295.78/x
  3. Step 3: Cross multiply
    155,476,157,443.30x = 214,557,890,675.61 × 86,888,715,295.78
  4. Step 4: Simplify right side
    155,476,157,443.30x = 18,642,659,477,376,167,051,264
  5. Step 5: Solve for x
    x = 18,642,659,477,376,167,051,264/155,476,157,443.30
  6. Step 6: Final answer
    x = 119,906,870,506.33

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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.