Home / 66,471,361.52-99,712,085.40-17,948,509.04

Finding the Fourth Proportional to 66,471,361.52, 99,712,085.40 and 17,948,509.04

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Solution

The fourth proportional to 66,471,361.52, 99,712,085.40 and 17,948,509.04 is: 26,924,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471,361.52 : 99,712,085.40 = 17,948,509.04 : x
  2. Step 2: Convert to fraction form
    66,471,361.52/99,712,085.40 = 17,948,509.04/x
  3. Step 3: Cross multiply
    66,471,361.52x = 99,712,085.40 × 17,948,509.04
  4. Step 4: Simplify right side
    66,471,361.52x = 1,789,683,266,199,152
  5. Step 5: Solve for x
    x = 1,789,683,266,199,152/66,471,361.52
  6. Step 6: Final answer
    x = 26,924,125.30

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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.