Home / 151,328,820,571.80-208,833,790,095.61-82,740,280,151.04

Finding the Fourth Proportional to 151,328,820,571.80, 208,833,790,095.61 and 82,740,280,151.04

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Solution

The fourth proportional to 151,328,820,571.80, 208,833,790,095.61 and 82,740,280,151.04 is: 114,181,596,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,328,820,571.80 : 208,833,790,095.61 = 82,740,280,151.04 : x
  2. Step 2: Convert to fraction form
    151,328,820,571.80/208,833,790,095.61 = 82,740,280,151.04/x
  3. Step 3: Cross multiply
    151,328,820,571.80x = 208,833,790,095.61 × 82,740,280,151.04
  4. Step 4: Simplify right side
    151,328,820,571.80x = 17,278,966,297,513,208,840,192
  5. Step 5: Solve for x
    x = 17,278,966,297,513,208,840,192/151,328,820,571.80
  6. Step 6: Final answer
    x = 114,181,596,289.62

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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.