Home / 47,177,818.81-65,125,477.44-31,716,871.52

Finding the Fourth Proportional to 47,177,818.81, 65,125,477.44 and 31,716,871.52

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Solution

The fourth proportional to 47,177,818.81, 65,125,477.44 and 31,716,871.52 is: 43,782,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177,818.81 : 65,125,477.44 = 31,716,871.52 : x
  2. Step 2: Convert to fraction form
    47,177,818.81/65,125,477.44 = 31,716,871.52/x
  3. Step 3: Cross multiply
    47,177,818.81x = 65,125,477.44 × 31,716,871.52
  4. Step 4: Simplify right side
    47,177,818.81x = 2,065,576,400,317,511
  5. Step 5: Solve for x
    x = 2,065,576,400,317,511/47,177,818.81
  6. Step 6: Final answer
    x = 43,782,787.18

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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.