Home / 159,217,920.33-238,917,889.76-86,440,618.32

Finding the Fourth Proportional to 159,217,920.33, 238,917,889.76 and 86,440,618.32

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Solution

The fourth proportional to 159,217,920.33, 238,917,889.76 and 86,440,618.32 is: 129,710,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,217,920.33 : 238,917,889.76 = 86,440,618.32 : x
  2. Step 2: Convert to fraction form
    159,217,920.33/238,917,889.76 = 86,440,618.32/x
  3. Step 3: Cross multiply
    159,217,920.33x = 238,917,889.76 × 86,440,618.32
  4. Step 4: Simplify right side
    159,217,920.33x = 20,652,210,118,563,992
  5. Step 5: Solve for x
    x = 20,652,210,118,563,992/159,217,920.33
  6. Step 6: Final answer
    x = 129,710,337.10

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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.