Home / 239,493,701.02-359,239,044.08-128,881,474.43

Finding the Fourth Proportional to 239,493,701.02, 359,239,044.08 and 128,881,474.43

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Solution

The fourth proportional to 239,493,701.02, 359,239,044.08 and 128,881,474.43 is: 193,321,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493,701.02 : 359,239,044.08 = 128,881,474.43 : x
  2. Step 2: Convert to fraction form
    239,493,701.02/359,239,044.08 = 128,881,474.43/x
  3. Step 3: Cross multiply
    239,493,701.02x = 359,239,044.08 × 128,881,474.43
  4. Step 4: Simplify right side
    239,493,701.02x = 46,299,257,673,854,160
  5. Step 5: Solve for x
    x = 46,299,257,673,854,160/239,493,701.02
  6. Step 6: Final answer
    x = 193,321,400.42

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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.