Home / 165,955,363.80-248,933,045.70-70,204,810.20

Finding the Fourth Proportional to 165,955,363.80, 248,933,045.70 and 70,204,810.20

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Solution

The fourth proportional to 165,955,363.80, 248,933,045.70 and 70,204,810.20 is: 105,307,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,955,363.80 : 248,933,045.70 = 70,204,810.20 : x
  2. Step 2: Convert to fraction form
    165,955,363.80/248,933,045.70 = 70,204,810.20/x
  3. Step 3: Cross multiply
    165,955,363.80x = 248,933,045.70 × 70,204,810.20
  4. Step 4: Simplify right side
    165,955,363.80x = 17,476,297,225,876,426
  5. Step 5: Solve for x
    x = 17,476,297,225,876,426/165,955,363.80
  6. Step 6: Final answer
    x = 105,307,215.30

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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.