Home / 43,169,638.90-64,788,037.79-30,131,085.66

Finding the Fourth Proportional to 43,169,638.90, 64,788,037.79 and 30,131,085.66

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Solution

The fourth proportional to 43,169,638.90, 64,788,037.79 and 30,131,085.66 is: 45,220,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169,638.90 : 64,788,037.79 = 30,131,085.66 : x
  2. Step 2: Convert to fraction form
    43,169,638.90/64,788,037.79 = 30,131,085.66/x
  3. Step 3: Cross multiply
    43,169,638.90x = 64,788,037.79 × 30,131,085.66
  4. Step 4: Simplify right side
    43,169,638.90x = 1,952,133,916,000,196.50
  5. Step 5: Solve for x
    x = 1,952,133,916,000,196.50/43,169,638.90
  6. Step 6: Final answer
    x = 45,220,065.90

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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.