Home / 159,492,002.10-239,238,003.15-86,932,590.90

Finding the Fourth Proportional to 159,492,002.10, 239,238,003.15 and 86,932,590.90

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Solution

The fourth proportional to 159,492,002.10, 239,238,003.15 and 86,932,590.90 is: 130,398,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,492,002.10 : 239,238,003.15 = 86,932,590.90 : x
  2. Step 2: Convert to fraction form
    159,492,002.10/239,238,003.15 = 86,932,590.90/x
  3. Step 3: Cross multiply
    159,492,002.10x = 239,238,003.15 × 86,932,590.90
  4. Step 4: Simplify right side
    159,492,002.10x = 20,797,579,455,571,864
  5. Step 5: Solve for x
    x = 20,797,579,455,571,864/159,492,002.10
  6. Step 6: Final answer
    x = 130,398,886.35

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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.