Home / 165,406,809.60-248,110,214.40-162,855,892.80

Finding the Fourth Proportional to 165,406,809.60, 248,110,214.40 and 162,855,892.80

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Solution

The fourth proportional to 165,406,809.60, 248,110,214.40 and 162,855,892.80 is: 244,283,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,406,809.60 : 248,110,214.40 = 162,855,892.80 : x
  2. Step 2: Convert to fraction form
    165,406,809.60/248,110,214.40 = 162,855,892.80/x
  3. Step 3: Cross multiply
    165,406,809.60x = 248,110,214.40 × 162,855,892.80
  4. Step 4: Simplify right side
    165,406,809.60x = 40,406,210,478,911,424
  5. Step 5: Solve for x
    x = 40,406,210,478,911,424/165,406,809.60
  6. Step 6: Final answer
    x = 244,283,839.20

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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.