Home / 113,354,460.66-156,477,420.21-76,206,285.61

Finding the Fourth Proportional to 113,354,460.66, 156,477,420.21 and 76,206,285.61

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Solution

The fourth proportional to 113,354,460.66, 156,477,420.21 and 76,206,285.61 is: 105,197,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,354,460.66 : 156,477,420.21 = 76,206,285.61 : x
  2. Step 2: Convert to fraction form
    113,354,460.66/156,477,420.21 = 76,206,285.61/x
  3. Step 3: Cross multiply
    113,354,460.66x = 156,477,420.21 × 76,206,285.61
  4. Step 4: Simplify right side
    113,354,460.66x = 11,924,562,976,039,246
  5. Step 5: Solve for x
    x = 11,924,562,976,039,246/113,354,460.66
  6. Step 6: Final answer
    x = 105,197,121.55

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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.