Home / 131,227,935.03-181,091,035.35-72,489,335.94

Finding the Fourth Proportional to 131,227,935.03, 181,091,035.35 and 72,489,335.94

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Solution

The fourth proportional to 131,227,935.03, 181,091,035.35 and 72,489,335.94 is: 100,033,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227,935.03 : 181,091,035.35 = 72,489,335.94 : x
  2. Step 2: Convert to fraction form
    131,227,935.03/181,091,035.35 = 72,489,335.94/x
  3. Step 3: Cross multiply
    131,227,935.03x = 181,091,035.35 × 72,489,335.94
  4. Step 4: Simplify right side
    131,227,935.03x = 13,127,168,897,208,564
  5. Step 5: Solve for x
    x = 13,127,168,897,208,564/131,227,935.03
  6. Step 6: Final answer
    x = 100,033,341.94

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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.