Home / 149,120,102.80-223,576,164.01-66,076,689.25

Finding the Fourth Proportional to 149,120,102.80, 223,576,164.01 and 66,076,689.25

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Solution

The fourth proportional to 149,120,102.80, 223,576,164.01 and 66,076,689.25 is: 99,068,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,120,102.80 : 223,576,164.01 = 66,076,689.25 : x
  2. Step 2: Convert to fraction form
    149,120,102.80/223,576,164.01 = 66,076,689.25/x
  3. Step 3: Cross multiply
    149,120,102.80x = 223,576,164.01 × 66,076,689.25
  4. Step 4: Simplify right side
    149,120,102.80x = 14,773,172,712,995,804
  5. Step 5: Solve for x
    x = 14,773,172,712,995,804/149,120,102.80
  6. Step 6: Final answer
    x = 99,068,954.73

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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.