Home / 401,431,281.40-602,175,944.57-168,027,252.07

Finding the Fourth Proportional to 401,431,281.40, 602,175,944.57 and 168,027,252.07

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Solution

The fourth proportional to 401,431,281.40, 602,175,944.57 and 168,027,252.07 is: 252,053,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,431,281.40 : 602,175,944.57 = 168,027,252.07 : x
  2. Step 2: Convert to fraction form
    401,431,281.40/602,175,944.57 = 168,027,252.07/x
  3. Step 3: Cross multiply
    401,431,281.40x = 602,175,944.57 × 168,027,252.07
  4. Step 4: Simplify right side
    401,431,281.40x = 101,181,969,224,902,736
  5. Step 5: Solve for x
    x = 101,181,969,224,902,736/401,431,281.40
  6. Step 6: Final answer
    x = 252,053,026.05

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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.