Home / 293,376,829.40-439,905,811.80-120,871,080.80

Finding the Fourth Proportional to 293,376,829.40, 439,905,811.80 and 120,871,080.80

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Solution

The fourth proportional to 293,376,829.40, 439,905,811.80 and 120,871,080.80 is: 181,240,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,376,829.40 : 439,905,811.80 = 120,871,080.80 : x
  2. Step 2: Convert to fraction form
    293,376,829.40/439,905,811.80 = 120,871,080.80/x
  3. Step 3: Cross multiply
    293,376,829.40x = 439,905,811.80 × 120,871,080.80
  4. Step 4: Simplify right side
    293,376,829.40x = 53,171,890,922,467,392
  5. Step 5: Solve for x
    x = 53,171,890,922,467,392/293,376,829.40
  6. Step 6: Final answer
    x = 181,240,935.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.