Home / 109,859,258.22-164,696,209.10-90,429,443.11

Finding the Fourth Proportional to 109,859,258.22, 164,696,209.10 and 90,429,443.11

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Solution

The fourth proportional to 109,859,258.22, 164,696,209.10 and 90,429,443.11 is: 135,567,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859,258.22 : 164,696,209.10 = 90,429,443.11 : x
  2. Step 2: Convert to fraction form
    109,859,258.22/164,696,209.10 = 90,429,443.11/x
  3. Step 3: Cross multiply
    109,859,258.22x = 164,696,209.10 × 90,429,443.11
  4. Step 4: Simplify right side
    109,859,258.22x = 14,893,386,471,241,114
  5. Step 5: Solve for x
    x = 14,893,386,471,241,114/109,859,258.22
  6. Step 6: Final answer
    x = 135,567,877.60

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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.