Home / 159,217,925.82-238,917,898.02-86,440,623.82

Finding the Fourth Proportional to 159,217,925.82, 238,917,898.02 and 86,440,623.82

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Solution

The fourth proportional to 159,217,925.82, 238,917,898.02 and 86,440,623.82 is: 129,710,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,217,925.82 : 238,917,898.02 = 86,440,623.82 : x
  2. Step 2: Convert to fraction form
    159,217,925.82/238,917,898.02 = 86,440,623.82/x
  3. Step 3: Cross multiply
    159,217,925.82x = 238,917,898.02 × 86,440,623.82
  4. Step 4: Simplify right side
    159,217,925.82x = 20,652,212,146,611,944
  5. Step 5: Solve for x
    x = 20,652,212,146,611,944/159,217,925.82
  6. Step 6: Final answer
    x = 129,710,345.37

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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.