Home / 309,631,380.72-464,336,407.08-102,331,424.40

Finding the Fourth Proportional to 309,631,380.72, 464,336,407.08 and 102,331,424.40

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Solution

The fourth proportional to 309,631,380.72, 464,336,407.08 and 102,331,424.40 is: 153,460,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,631,380.72 : 464,336,407.08 = 102,331,424.40 : x
  2. Step 2: Convert to fraction form
    309,631,380.72/464,336,407.08 = 102,331,424.40/x
  3. Step 3: Cross multiply
    309,631,380.72x = 464,336,407.08 × 102,331,424.40
  4. Step 4: Simplify right side
    309,631,380.72x = 47,516,205,937,274,648
  5. Step 5: Solve for x
    x = 47,516,205,937,274,648/309,631,380.72
  6. Step 6: Final answer
    x = 153,460,562.77

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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.