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Finding the Fourth Proportional to 109,866,502.80, 164,547,811.80 and 107,347,078.80

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Solution

The fourth proportional to 109,866,502.80, 164,547,811.80 and 107,347,078.80 is: 160,774,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,866,502.80 : 164,547,811.80 = 107,347,078.80 : x
  2. Step 2: Convert to fraction form
    109,866,502.80/164,547,811.80 = 107,347,078.80/x
  3. Step 3: Cross multiply
    109,866,502.80x = 164,547,811.80 × 107,347,078.80
  4. Step 4: Simplify right side
    109,866,502.80x = 17,663,726,919,662,170
  5. Step 5: Solve for x
    x = 17,663,726,919,662,170/109,866,502.80
  6. Step 6: Final answer
    x = 160,774,453.26

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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.