Home / 85,042,564.20-127,227,923.10-73,807,799.40

Finding the Fourth Proportional to 85,042,564.20, 127,227,923.10 and 73,807,799.40

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Solution

The fourth proportional to 85,042,564.20, 127,227,923.10 and 73,807,799.40 is: 110,420,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,042,564.20 : 127,227,923.10 = 73,807,799.40 : x
  2. Step 2: Convert to fraction form
    85,042,564.20/127,227,923.10 = 73,807,799.40/x
  3. Step 3: Cross multiply
    85,042,564.20x = 127,227,923.10 × 73,807,799.40
  4. Step 4: Simplify right side
    85,042,564.20x = 9,390,413,026,243,426
  5. Step 5: Solve for x
    x = 9,390,413,026,243,426/85,042,564.20
  6. Step 6: Final answer
    x = 110,420,153.89

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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.