Home / 170,018,654.29-255,018,388.71-75,344,446.02

Finding the Fourth Proportional to 170,018,654.29, 255,018,388.71 and 75,344,446.02

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Solution

The fourth proportional to 170,018,654.29, 255,018,388.71 and 75,344,446.02 is: 113,012,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018,654.29 : 255,018,388.71 = 75,344,446.02 : x
  2. Step 2: Convert to fraction form
    170,018,654.29/255,018,388.71 = 75,344,446.02/x
  3. Step 3: Cross multiply
    170,018,654.29x = 255,018,388.71 × 75,344,446.02
  4. Step 4: Simplify right side
    170,018,654.29x = 19,214,219,222,578,516
  5. Step 5: Solve for x
    x = 19,214,219,222,578,516/170,018,654.29
  6. Step 6: Final answer
    x = 113,012,417.98

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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.