Home / 78,025,623.30-117,003,005.55-29,487,345.30

Finding the Fourth Proportional to 78,025,623.30, 117,003,005.55 and 29,487,345.30

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Solution

The fourth proportional to 78,025,623.30, 117,003,005.55 and 29,487,345.30 is: 44,217,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,025,623.30 : 117,003,005.55 = 29,487,345.30 : x
  2. Step 2: Convert to fraction form
    78,025,623.30/117,003,005.55 = 29,487,345.30/x
  3. Step 3: Cross multiply
    78,025,623.30x = 117,003,005.55 × 29,487,345.30
  4. Step 4: Simplify right side
    78,025,623.30x = 3,450,108,025,790,666.50
  5. Step 5: Solve for x
    x = 3,450,108,025,790,666.50/78,025,623.30
  6. Step 6: Final answer
    x = 44,217,628.52

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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.