Home / 213,996,444.64-320,893,478.64-82,900,122.08

Finding the Fourth Proportional to 213,996,444.64, 320,893,478.64 and 82,900,122.08

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Solution

The fourth proportional to 213,996,444.64, 320,893,478.64 and 82,900,122.08 is: 124,310,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,996,444.64 : 320,893,478.64 = 82,900,122.08 : x
  2. Step 2: Convert to fraction form
    213,996,444.64/320,893,478.64 = 82,900,122.08/x
  3. Step 3: Cross multiply
    213,996,444.64x = 320,893,478.64 × 82,900,122.08
  4. Step 4: Simplify right side
    213,996,444.64x = 26,602,108,553,931,872
  5. Step 5: Solve for x
    x = 26,602,108,553,931,872/213,996,444.64
  6. Step 6: Final answer
    x = 124,310,983.76

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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.