Home / 58,471,821.20-87,707,731.80-40,331,968.40

Finding the Fourth Proportional to 58,471,821.20, 87,707,731.80 and 40,331,968.40

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Solution

The fourth proportional to 58,471,821.20, 87,707,731.80 and 40,331,968.40 is: 60,497,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,471,821.20 : 87,707,731.80 = 40,331,968.40 : x
  2. Step 2: Convert to fraction form
    58,471,821.20/87,707,731.80 = 40,331,968.40/x
  3. Step 3: Cross multiply
    58,471,821.20x = 87,707,731.80 × 40,331,968.40
  4. Step 4: Simplify right side
    58,471,821.20x = 3,537,425,467,393,275
  5. Step 5: Solve for x
    x = 3,537,425,467,393,275/58,471,821.20
  6. Step 6: Final answer
    x = 60,497,952.60

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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.