Home / 57,276,220.86-79,041,389.52-31,171,051.62

Finding the Fourth Proportional to 57,276,220.86, 79,041,389.52 and 31,171,051.62

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Solution

The fourth proportional to 57,276,220.86, 79,041,389.52 and 31,171,051.62 is: 43,016,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276,220.86 : 79,041,389.52 = 31,171,051.62 : x
  2. Step 2: Convert to fraction form
    57,276,220.86/79,041,389.52 = 31,171,051.62/x
  3. Step 3: Cross multiply
    57,276,220.86x = 79,041,389.52 × 31,171,051.62
  4. Step 4: Simplify right side
    57,276,220.86x = 2,463,803,232,844,447
  5. Step 5: Solve for x
    x = 2,463,803,232,844,447/57,276,220.86
  6. Step 6: Final answer
    x = 43,016,162.66

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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.