Home / 134,868,128.64-186,118,015.26-72,988,467.20

Finding the Fourth Proportional to 134,868,128.64, 186,118,015.26 and 72,988,467.20

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Solution

The fourth proportional to 134,868,128.64, 186,118,015.26 and 72,988,467.20 is: 100,724,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,128.64 : 186,118,015.26 = 72,988,467.20 : x
  2. Step 2: Convert to fraction form
    134,868,128.64/186,118,015.26 = 72,988,467.20/x
  3. Step 3: Cross multiply
    134,868,128.64x = 186,118,015.26 × 72,988,467.20
  4. Step 4: Simplify right side
    134,868,128.64x = 13,584,468,651,764,476
  5. Step 5: Solve for x
    x = 13,584,468,651,764,476/134,868,128.64
  6. Step 6: Final answer
    x = 100,724,083.51

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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.