Home / 87,927,300.72-121,354,204.92-48,781,689.36

Finding the Fourth Proportional to 87,927,300.72, 121,354,204.92 and 48,781,689.36

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Solution

The fourth proportional to 87,927,300.72, 121,354,204.92 and 48,781,689.36 is: 67,326,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927,300.72 : 121,354,204.92 = 48,781,689.36 : x
  2. Step 2: Convert to fraction form
    87,927,300.72/121,354,204.92 = 48,781,689.36/x
  3. Step 3: Cross multiply
    87,927,300.72x = 121,354,204.92 × 48,781,689.36
  4. Step 4: Simplify right side
    87,927,300.72x = 5,919,863,126,937,224
  5. Step 5: Solve for x
    x = 5,919,863,126,937,224/87,927,300.72
  6. Step 6: Final answer
    x = 67,326,792.46

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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.