Home / 76,700,342.61-114,630,243.48-55,994,384.43

Finding the Fourth Proportional to 76,700,342.61, 114,630,243.48 and 55,994,384.43

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Solution

The fourth proportional to 76,700,342.61, 114,630,243.48 and 55,994,384.43 is: 83,684,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700,342.61 : 114,630,243.48 = 55,994,384.43 : x
  2. Step 2: Convert to fraction form
    76,700,342.61/114,630,243.48 = 55,994,384.43/x
  3. Step 3: Cross multiply
    76,700,342.61x = 114,630,243.48 × 55,994,384.43
  4. Step 4: Simplify right side
    76,700,342.61x = 6,418,649,920,723,621
  5. Step 5: Solve for x
    x = 6,418,649,920,723,621/76,700,342.61
  6. Step 6: Final answer
    x = 83,684,762.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.