Home / 159,436,219,863.42-239,154,559,966.62-65,109,167,640.45

Finding the Fourth Proportional to 159,436,219,863.42, 239,154,559,966.62 and 65,109,167,640.45

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Solution

The fourth proportional to 159,436,219,863.42, 239,154,559,966.62 and 65,109,167,640.45 is: 97,663,845,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,436,219,863.42 : 239,154,559,966.62 = 65,109,167,640.45 : x
  2. Step 2: Convert to fraction form
    159,436,219,863.42/239,154,559,966.62 = 65,109,167,640.45/x
  3. Step 3: Cross multiply
    159,436,219,863.42x = 239,154,559,966.62 × 65,109,167,640.45
  4. Step 4: Simplify right side
    159,436,219,863.42x = 15,571,154,336,844,712,247,296
  5. Step 5: Solve for x
    x = 15,571,154,336,844,712,247,296/159,436,219,863.42
  6. Step 6: Final answer
    x = 97,663,845,456.09

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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.