Home / 110,668,691.20-165,940,828.80-42,513,606.40

Finding the Fourth Proportional to 110,668,691.20, 165,940,828.80 and 42,513,606.40

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Solution

The fourth proportional to 110,668,691.20, 165,940,828.80 and 42,513,606.40 is: 63,746,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,691.20 : 165,940,828.80 = 42,513,606.40 : x
  2. Step 2: Convert to fraction form
    110,668,691.20/165,940,828.80 = 42,513,606.40/x
  3. Step 3: Cross multiply
    110,668,691.20x = 165,940,828.80 × 42,513,606.40
  4. Step 4: Simplify right side
    110,668,691.20x = 7,054,743,081,292,985
  5. Step 5: Solve for x
    x = 7,054,743,081,292,985/110,668,691.20
  6. Step 6: Final answer
    x = 63,746,512.27

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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.