Home / 132,887,341.20-199,116,394.20-75,208,083.60

Finding the Fourth Proportional to 132,887,341.20, 199,116,394.20 and 75,208,083.60

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Solution

The fourth proportional to 132,887,341.20, 199,116,394.20 and 75,208,083.60 is: 112,690,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887,341.20 : 199,116,394.20 = 75,208,083.60 : x
  2. Step 2: Convert to fraction form
    132,887,341.20/199,116,394.20 = 75,208,083.60/x
  3. Step 3: Cross multiply
    132,887,341.20x = 199,116,394.20 × 75,208,083.60
  4. Step 4: Simplify right side
    132,887,341.20x = 14,975,162,421,124,154
  5. Step 5: Solve for x
    x = 14,975,162,421,124,154/132,887,341.20
  6. Step 6: Final answer
    x = 112,690,661.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.