Home / 123,385,879.07-183,975,717.10-119,995,949.83

Finding the Fourth Proportional to 123,385,879.07, 183,975,717.10 and 119,995,949.83

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Solution

The fourth proportional to 123,385,879.07, 183,975,717.10 and 119,995,949.83 is: 178,921,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,385,879.07 : 183,975,717.10 = 119,995,949.83 : x
  2. Step 2: Convert to fraction form
    123,385,879.07/183,975,717.10 = 119,995,949.83/x
  3. Step 3: Cross multiply
    123,385,879.07x = 183,975,717.10 × 119,995,949.83
  4. Step 4: Simplify right side
    123,385,879.07x = 22,076,340,919,069,872
  5. Step 5: Solve for x
    x = 22,076,340,919,069,872/123,385,879.07
  6. Step 6: Final answer
    x = 178,921,130.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.