Home / 103,099,439.36-142,276,226.06-56,056,512.22

Finding the Fourth Proportional to 103,099,439.36, 142,276,226.06 and 56,056,512.22

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Solution

The fourth proportional to 103,099,439.36, 142,276,226.06 and 56,056,512.22 is: 77,357,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,099,439.36 : 142,276,226.06 = 56,056,512.22 : x
  2. Step 2: Convert to fraction form
    103,099,439.36/142,276,226.06 = 56,056,512.22/x
  3. Step 3: Cross multiply
    103,099,439.36x = 142,276,226.06 × 56,056,512.22
  4. Step 4: Simplify right side
    103,099,439.36x = 7,975,509,004,747,872
  5. Step 5: Solve for x
    x = 7,975,509,004,747,872/103,099,439.36
  6. Step 6: Final answer
    x = 77,357,443.01

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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.