Home / 197,402,398.72-272,423,824.72-109,296,398.32

Finding the Fourth Proportional to 197,402,398.72, 272,423,824.72 and 109,296,398.32

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Solution

The fourth proportional to 197,402,398.72, 272,423,824.72 and 109,296,398.32 is: 150,833,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,402,398.72 : 272,423,824.72 = 109,296,398.32 : x
  2. Step 2: Convert to fraction form
    197,402,398.72/272,423,824.72 = 109,296,398.32/x
  3. Step 3: Cross multiply
    197,402,398.72x = 272,423,824.72 × 109,296,398.32
  4. Step 4: Simplify right side
    197,402,398.72x = 29,774,942,858,454,984
  5. Step 5: Solve for x
    x = 29,774,942,858,454,984/197,402,398.72
  6. Step 6: Final answer
    x = 150,833,743.92

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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.