Home / 103,761,660.96-143,188,594.56-56,716,622.64

Finding the Fourth Proportional to 103,761,660.96, 143,188,594.56 and 56,716,622.64

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Solution

The fourth proportional to 103,761,660.96, 143,188,594.56 and 56,716,622.64 is: 78,267,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,761,660.96 : 143,188,594.56 = 56,716,622.64 : x
  2. Step 2: Convert to fraction form
    103,761,660.96/143,188,594.56 = 56,716,622.64/x
  3. Step 3: Cross multiply
    103,761,660.96x = 143,188,594.56 × 56,716,622.64
  4. Step 4: Simplify right side
    103,761,660.96x = 8,121,173,484,011,477
  5. Step 5: Solve for x
    x = 8,121,173,484,011,477/103,761,660.96
  6. Step 6: Final answer
    x = 78,267,574.06

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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.