Home / 121,279,552.05-181,919,328.08-66,671,036.85

Finding the Fourth Proportional to 121,279,552.05, 181,919,328.08 and 66,671,036.85

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Solution

The fourth proportional to 121,279,552.05, 181,919,328.08 and 66,671,036.85 is: 100,006,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,552.05 : 181,919,328.08 = 66,671,036.85 : x
  2. Step 2: Convert to fraction form
    121,279,552.05/181,919,328.08 = 66,671,036.85/x
  3. Step 3: Cross multiply
    121,279,552.05x = 181,919,328.08 × 66,671,036.85
  4. Step 4: Simplify right side
    121,279,552.05x = 12,128,750,225,815,564
  5. Step 5: Solve for x
    x = 12,128,750,225,815,564/121,279,552.05
  6. Step 6: Final answer
    x = 100,006,555.28

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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.