Home / 110,636,821.80-165,843,258.30-65,175,215.40

Finding the Fourth Proportional to 110,636,821.80, 165,843,258.30 and 65,175,215.40

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Solution

The fourth proportional to 110,636,821.80, 165,843,258.30 and 65,175,215.40 is: 97,696,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,636,821.80 : 165,843,258.30 = 65,175,215.40 : x
  2. Step 2: Convert to fraction form
    110,636,821.80/165,843,258.30 = 65,175,215.40/x
  3. Step 3: Cross multiply
    110,636,821.80x = 165,843,258.30 × 65,175,215.40
  4. Step 4: Simplify right side
    110,636,821.80x = 10,808,870,082,340,338
  5. Step 5: Solve for x
    x = 10,808,870,082,340,338/110,636,821.80
  6. Step 6: Final answer
    x = 97,696,859.93

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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.