Home / 110,668,698.20-165,940,839.30-42,513,613.40

Finding the Fourth Proportional to 110,668,698.20, 165,940,839.30 and 42,513,613.40

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Solution

The fourth proportional to 110,668,698.20, 165,940,839.30 and 42,513,613.40 is: 63,746,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,698.20 : 165,940,839.30 = 42,513,613.40 : x
  2. Step 2: Convert to fraction form
    110,668,698.20/165,940,839.30 = 42,513,613.40/x
  3. Step 3: Cross multiply
    110,668,698.20x = 165,940,839.30 × 42,513,613.40
  4. Step 4: Simplify right side
    110,668,698.20x = 7,054,744,689,271,727
  5. Step 5: Solve for x
    x = 7,054,744,689,271,727/110,668,698.20
  6. Step 6: Final answer
    x = 63,746,522.77

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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.