Home / 159,851,447.82-239,872,829.76-68,975,036.82

Finding the Fourth Proportional to 159,851,447.82, 239,872,829.76 and 68,975,036.82

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Solution

The fourth proportional to 159,851,447.82, 239,872,829.76 and 68,975,036.82 is: 103,503,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,851,447.82 : 239,872,829.76 = 68,975,036.82 : x
  2. Step 2: Convert to fraction form
    159,851,447.82/239,872,829.76 = 68,975,036.82/x
  3. Step 3: Cross multiply
    159,851,447.82x = 239,872,829.76 × 68,975,036.82
  4. Step 4: Simplify right side
    159,851,447.82x = 16,545,237,264,813,590
  5. Step 5: Solve for x
    x = 16,545,237,264,813,590/159,851,447.82
  6. Step 6: Final answer
    x = 103,503,831.15

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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.