Home / 456,902,138.36-685,418,282.91-141,795,392.11

Finding the Fourth Proportional to 456,902,138.36, 685,418,282.91 and 141,795,392.11

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Solution

The fourth proportional to 456,902,138.36, 685,418,282.91 and 141,795,392.11 is: 212,713,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,902,138.36 : 685,418,282.91 = 141,795,392.11 : x
  2. Step 2: Convert to fraction form
    456,902,138.36/685,418,282.91 = 141,795,392.11/x
  3. Step 3: Cross multiply
    456,902,138.36x = 685,418,282.91 × 141,795,392.11
  4. Step 4: Simplify right side
    456,902,138.36x = 97,189,154,181,159,264
  5. Step 5: Solve for x
    x = 97,189,154,181,159,264/456,902,138.36
  6. Step 6: Final answer
    x = 212,713,283.70

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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.