Home / 281,955,330.64-389,078,877.68-156,497,656.97

Finding the Fourth Proportional to 281,955,330.64, 389,078,877.68 and 156,497,656.97

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Solution

The fourth proportional to 281,955,330.64, 389,078,877.68 and 156,497,656.97 is: 215,955,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,955,330.64 : 389,078,877.68 = 156,497,656.97 : x
  2. Step 2: Convert to fraction form
    281,955,330.64/389,078,877.68 = 156,497,656.97/x
  3. Step 3: Cross multiply
    281,955,330.64x = 389,078,877.68 × 156,497,656.97
  4. Step 4: Simplify right side
    281,955,330.64x = 60,889,932,735,095,384
  5. Step 5: Solve for x
    x = 60,889,932,735,095,384/281,955,330.64
  6. Step 6: Final answer
    x = 215,955,955.14

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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.