Home / 319,972,831.69-479,959,248.72-89,941,916.35

Finding the Fourth Proportional to 319,972,831.69, 479,959,248.72 and 89,941,916.35

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Solution

The fourth proportional to 319,972,831.69, 479,959,248.72 and 89,941,916.35 is: 134,912,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,972,831.69 : 479,959,248.72 = 89,941,916.35 : x
  2. Step 2: Convert to fraction form
    319,972,831.69/479,959,248.72 = 89,941,916.35/x
  3. Step 3: Cross multiply
    319,972,831.69x = 479,959,248.72 × 89,941,916.35
  4. Step 4: Simplify right side
    319,972,831.69x = 43,168,454,599,783,088
  5. Step 5: Solve for x
    x = 43,168,454,599,783,088/319,972,831.69
  6. Step 6: Final answer
    x = 134,912,874.86

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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.