Home / 73,137,440.77-100,929,803.12-39,646,816.27

Finding the Fourth Proportional to 73,137,440.77, 100,929,803.12 and 39,646,816.27

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Solution

The fourth proportional to 73,137,440.77, 100,929,803.12 and 39,646,816.27 is: 54,712,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,137,440.77 : 100,929,803.12 = 39,646,816.27 : x
  2. Step 2: Convert to fraction form
    73,137,440.77/100,929,803.12 = 39,646,816.27/x
  3. Step 3: Cross multiply
    73,137,440.77x = 100,929,803.12 × 39,646,816.27
  4. Step 4: Simplify right side
    73,137,440.77x = 4,001,545,360,465,913.50
  5. Step 5: Solve for x
    x = 4,001,545,360,465,913.50/73,137,440.77
  6. Step 6: Final answer
    x = 54,712,679.56

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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.