Home / 113,455,328.39-156,566,761.66-63,221,664.23

Finding the Fourth Proportional to 113,455,328.39, 156,566,761.66 and 63,221,664.23

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Solution

The fourth proportional to 113,455,328.39, 156,566,761.66 and 63,221,664.23 is: 87,245,009.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,455,328.39 : 156,566,761.66 = 63,221,664.23 : x
  2. Step 2: Convert to fraction form
    113,455,328.39/156,566,761.66 = 63,221,664.23/x
  3. Step 3: Cross multiply
    113,455,328.39x = 156,566,761.66 × 63,221,664.23
  4. Step 4: Simplify right side
    113,455,328.39x = 9,898,411,235,719,578
  5. Step 5: Solve for x
    x = 9,898,411,235,719,578/113,455,328.39
  6. Step 6: Final answer
    x = 87,245,009.79

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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.