Home / 314,986,141.62-472,501,915.38-120,897,557.10

Finding the Fourth Proportional to 314,986,141.62, 472,501,915.38 and 120,897,557.10

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Solution

The fourth proportional to 314,986,141.62, 472,501,915.38 and 120,897,557.10 is: 181,355,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,141.62 : 472,501,915.38 = 120,897,557.10 : x
  2. Step 2: Convert to fraction form
    314,986,141.62/472,501,915.38 = 120,897,557.10/x
  3. Step 3: Cross multiply
    314,986,141.62x = 472,501,915.38 × 120,897,557.10
  4. Step 4: Simplify right side
    314,986,141.62x = 57,124,327,294,512,912
  5. Step 5: Solve for x
    x = 57,124,327,294,512,912/314,986,141.62
  6. Step 6: Final answer
    x = 181,355,049.47

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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.