Home / 81,029,805.30-121,564,044-26,442,492.30

Finding the Fourth Proportional to 81,029,805.30, 121,564,044 and 26,442,492.30

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Solution

The fourth proportional to 81,029,805.30, 121,564,044 and 26,442,492.30 is: 39,670,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,029,805.30 : 121,564,044 = 26,442,492.30 : x
  2. Step 2: Convert to fraction form
    81,029,805.30/121,564,044 = 26,442,492.30/x
  3. Step 3: Cross multiply
    81,029,805.30x = 121,564,044 × 26,442,492.30
  4. Step 4: Simplify right side
    81,029,805.30x = 3,214,456,297,426,861.50
  5. Step 5: Solve for x
    x = 3,214,456,297,426,861.50/81,029,805.30
  6. Step 6: Final answer
    x = 39,670,048.39

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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.