Home / 133,917,269.76-184,783,825.80-78,905,646.72

Finding the Fourth Proportional to 133,917,269.76, 184,783,825.80 and 78,905,646.72

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Solution

The fourth proportional to 133,917,269.76, 184,783,825.80 and 78,905,646.72 is: 108,876,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,917,269.76 : 184,783,825.80 = 78,905,646.72 : x
  2. Step 2: Convert to fraction form
    133,917,269.76/184,783,825.80 = 78,905,646.72/x
  3. Step 3: Cross multiply
    133,917,269.76x = 184,783,825.80 × 78,905,646.72
  4. Step 4: Simplify right side
    133,917,269.76x = 14,580,487,278,144,822
  5. Step 5: Solve for x
    x = 14,580,487,278,144,822/133,917,269.76
  6. Step 6: Final answer
    x = 108,876,826.00

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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.