Home / 154,872,663.31-232,307,420.32-39,856,758.67

Finding the Fourth Proportional to 154,872,663.31, 232,307,420.32 and 39,856,758.67

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Solution

The fourth proportional to 154,872,663.31, 232,307,420.32 and 39,856,758.67 is: 59,784,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,872,663.31 : 232,307,420.32 = 39,856,758.67 : x
  2. Step 2: Convert to fraction form
    154,872,663.31/232,307,420.32 = 39,856,758.67/x
  3. Step 3: Cross multiply
    154,872,663.31x = 232,307,420.32 × 39,856,758.67
  4. Step 4: Simplify right side
    154,872,663.31x = 9,259,020,788,944,494
  5. Step 5: Solve for x
    x = 9,259,020,788,944,494/154,872,663.31
  6. Step 6: Final answer
    x = 59,784,732.77

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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.