Home / 136,409,127.88-188,242,372.02-74,528,134.60

Finding the Fourth Proportional to 136,409,127.88, 188,242,372.02 and 74,528,134.60

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Solution

The fourth proportional to 136,409,127.88, 188,242,372.02 and 74,528,134.60 is: 102,847,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,409,127.88 : 188,242,372.02 = 74,528,134.60 : x
  2. Step 2: Convert to fraction form
    136,409,127.88/188,242,372.02 = 74,528,134.60/x
  3. Step 3: Cross multiply
    136,409,127.88x = 188,242,372.02 × 74,528,134.60
  4. Step 4: Simplify right side
    136,409,127.88x = 14,029,352,839,329,834
  5. Step 5: Solve for x
    x = 14,029,352,839,329,834/136,409,127.88
  6. Step 6: Final answer
    x = 102,847,610.40

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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.