Home / 371,845,831.23-557,836,847.73-153,376,996.05

Finding the Fourth Proportional to 371,845,831.23, 557,836,847.73 and 153,376,996.05

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Solution

The fourth proportional to 371,845,831.23, 557,836,847.73 and 153,376,996.05 is: 230,093,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,845,831.23 : 557,836,847.73 = 153,376,996.05 : x
  2. Step 2: Convert to fraction form
    371,845,831.23/557,836,847.73 = 153,376,996.05/x
  3. Step 3: Cross multiply
    371,845,831.23x = 557,836,847.73 × 153,376,996.05
  4. Step 4: Simplify right side
    371,845,831.23x = 85,559,339,990,828,672
  5. Step 5: Solve for x
    x = 85,559,339,990,828,672/371,845,831.23
  6. Step 6: Final answer
    x = 230,093,583.97

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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.