Home / 72,184,516.86-99,588,460.70-47,418,039.48

Finding the Fourth Proportional to 72,184,516.86, 99,588,460.70 and 47,418,039.48

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Solution

The fourth proportional to 72,184,516.86, 99,588,460.70 and 47,418,039.48 is: 65,419,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,516.86 : 99,588,460.70 = 47,418,039.48 : x
  2. Step 2: Convert to fraction form
    72,184,516.86/99,588,460.70 = 47,418,039.48/x
  3. Step 3: Cross multiply
    72,184,516.86x = 99,588,460.70 × 47,418,039.48
  4. Step 4: Simplify right side
    72,184,516.86x = 4,722,289,561,225,028
  5. Step 5: Solve for x
    x = 4,722,289,561,225,028/72,184,516.86
  6. Step 6: Final answer
    x = 65,419,701.71

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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.