Home / 109,835,999.10-164,753,998.65-84,326,831.10

Finding the Fourth Proportional to 109,835,999.10, 164,753,998.65 and 84,326,831.10

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Solution

The fourth proportional to 109,835,999.10, 164,753,998.65 and 84,326,831.10 is: 126,490,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,835,999.10 : 164,753,998.65 = 84,326,831.10 : x
  2. Step 2: Convert to fraction form
    109,835,999.10/164,753,998.65 = 84,326,831.10/x
  3. Step 3: Cross multiply
    109,835,999.10x = 164,753,998.65 × 84,326,831.10
  4. Step 4: Simplify right side
    109,835,999.10x = 13,893,182,617,208,178
  5. Step 5: Solve for x
    x = 13,893,182,617,208,178/109,835,999.10
  6. Step 6: Final answer
    x = 126,490,246.65

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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.