Home / 76,616,521.64-105,733,032.80-41,811,453.98

Finding the Fourth Proportional to 76,616,521.64, 105,733,032.80 and 41,811,453.98

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Solution

The fourth proportional to 76,616,521.64, 105,733,032.80 and 41,811,453.98 is: 57,701,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,521.64 : 105,733,032.80 = 41,811,453.98 : x
  2. Step 2: Convert to fraction form
    76,616,521.64/105,733,032.80 = 41,811,453.98/x
  3. Step 3: Cross multiply
    76,616,521.64x = 105,733,032.80 × 41,811,453.98
  4. Step 4: Simplify right side
    76,616,521.64x = 4,420,851,835,083,030
  5. Step 5: Solve for x
    x = 4,420,851,835,083,030/76,616,521.64
  6. Step 6: Final answer
    x = 57,701,025.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.