Home / 81,359,661.86-112,277,149.07-44,190,669.09

Finding the Fourth Proportional to 81,359,661.86, 112,277,149.07 and 44,190,669.09

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Solution

The fourth proportional to 81,359,661.86, 112,277,149.07 and 44,190,669.09 is: 60,983,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,359,661.86 : 112,277,149.07 = 44,190,669.09 : x
  2. Step 2: Convert to fraction form
    81,359,661.86/112,277,149.07 = 44,190,669.09/x
  3. Step 3: Cross multiply
    81,359,661.86x = 112,277,149.07 × 44,190,669.09
  4. Step 4: Simplify right side
    81,359,661.86x = 4,961,602,340,700,018
  5. Step 5: Solve for x
    x = 4,961,602,340,700,018/81,359,661.86
  6. Step 6: Final answer
    x = 60,983,566.40

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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.