Home / 58,320,007.20-87,480,010.80-56,080,519.20

Finding the Fourth Proportional to 58,320,007.20, 87,480,010.80 and 56,080,519.20

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Solution

The fourth proportional to 58,320,007.20, 87,480,010.80 and 56,080,519.20 is: 84,120,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320,007.20 : 87,480,010.80 = 56,080,519.20 : x
  2. Step 2: Convert to fraction form
    58,320,007.20/87,480,010.80 = 56,080,519.20/x
  3. Step 3: Cross multiply
    58,320,007.20x = 87,480,010.80 × 56,080,519.20
  4. Step 4: Simplify right side
    58,320,007.20x = 4,905,924,425,285,607
  5. Step 5: Solve for x
    x = 4,905,924,425,285,607/58,320,007.20
  6. Step 6: Final answer
    x = 84,120,778.80

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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.