Home / 57,219,001.86-78,962,633.52-31,113,332.64

Finding the Fourth Proportional to 57,219,001.86, 78,962,633.52 and 31,113,332.64

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Solution

The fourth proportional to 57,219,001.86, 78,962,633.52 and 31,113,332.64 is: 42,936,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219,001.86 : 78,962,633.52 = 31,113,332.64 : x
  2. Step 2: Convert to fraction form
    57,219,001.86/78,962,633.52 = 31,113,332.64/x
  3. Step 3: Cross multiply
    57,219,001.86x = 78,962,633.52 × 31,113,332.64
  4. Step 4: Simplify right side
    57,219,001.86x = 2,456,790,682,838,174
  5. Step 5: Solve for x
    x = 2,456,790,682,838,174/57,219,001.86
  6. Step 6: Final answer
    x = 42,936,622.50

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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.