Home / 40,803,060.20-61,204,590.30-31,555,986.80

Finding the Fourth Proportional to 40,803,060.20, 61,204,590.30 and 31,555,986.80

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Solution

The fourth proportional to 40,803,060.20, 61,204,590.30 and 31,555,986.80 is: 47,333,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,060.20 : 61,204,590.30 = 31,555,986.80 : x
  2. Step 2: Convert to fraction form
    40,803,060.20/61,204,590.30 = 31,555,986.80/x
  3. Step 3: Cross multiply
    40,803,060.20x = 61,204,590.30 × 31,555,986.80
  4. Step 4: Simplify right side
    40,803,060.20x = 1,931,371,243,606,208
  5. Step 5: Solve for x
    x = 1,931,371,243,606,208/40,803,060.20
  6. Step 6: Final answer
    x = 47,333,980.20

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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.