Home / 154,098,346.64-212,650,072.08-84,482,203.28

Finding the Fourth Proportional to 154,098,346.64, 212,650,072.08 and 84,482,203.28

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Solution

The fourth proportional to 154,098,346.64, 212,650,072.08 and 84,482,203.28 is: 116,582,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,098,346.64 : 212,650,072.08 = 84,482,203.28 : x
  2. Step 2: Convert to fraction form
    154,098,346.64/212,650,072.08 = 84,482,203.28/x
  3. Step 3: Cross multiply
    154,098,346.64x = 212,650,072.08 × 84,482,203.28
  4. Step 4: Simplify right side
    154,098,346.64x = 17,965,146,616,969,214
  5. Step 5: Solve for x
    x = 17,965,146,616,969,214/154,098,346.64
  6. Step 6: Final answer
    x = 116,582,345.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.