Home / 87,225,495.51-120,371,974.52-48,068,675.31

Finding the Fourth Proportional to 87,225,495.51, 120,371,974.52 and 48,068,675.31

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Solution

The fourth proportional to 87,225,495.51, 120,371,974.52 and 48,068,675.31 is: 66,335,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,225,495.51 : 120,371,974.52 = 48,068,675.31 : x
  2. Step 2: Convert to fraction form
    87,225,495.51/120,371,974.52 = 48,068,675.31/x
  3. Step 3: Cross multiply
    87,225,495.51x = 120,371,974.52 × 48,068,675.31
  4. Step 4: Simplify right side
    87,225,495.51x = 5,786,121,359,385,130
  5. Step 5: Solve for x
    x = 5,786,121,359,385,130/87,225,495.51
  6. Step 6: Final answer
    x = 66,335,207.68

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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.