Home / 128,110,182.02-192,084,523.50-108,686,210.30

Finding the Fourth Proportional to 128,110,182.02, 192,084,523.50 and 108,686,210.30

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Solution

The fourth proportional to 128,110,182.02, 192,084,523.50 and 108,686,210.30 is: 162,960,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,110,182.02 : 192,084,523.50 = 108,686,210.30 : x
  2. Step 2: Convert to fraction form
    128,110,182.02/192,084,523.50 = 108,686,210.30/x
  3. Step 3: Cross multiply
    128,110,182.02x = 192,084,523.50 × 108,686,210.30
  4. Step 4: Simplify right side
    128,110,182.02x = 20,876,938,915,535,868
  5. Step 5: Solve for x
    x = 20,876,938,915,535,868/128,110,182.02
  6. Step 6: Final answer
    x = 162,960,809.10

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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.