Home / 131,876,581.84-197,845,009.62-45,614,915.80

Finding the Fourth Proportional to 131,876,581.84, 197,845,009.62 and 45,614,915.80

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Solution

The fourth proportional to 131,876,581.84, 197,845,009.62 and 45,614,915.80 is: 68,432,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,876,581.84 : 197,845,009.62 = 45,614,915.80 : x
  2. Step 2: Convert to fraction form
    131,876,581.84/197,845,009.62 = 45,614,915.80/x
  3. Step 3: Cross multiply
    131,876,581.84x = 197,845,009.62 × 45,614,915.80
  4. Step 4: Simplify right side
    131,876,581.84x = 9,024,683,455,266,490
  5. Step 5: Solve for x
    x = 9,024,683,455,266,490/131,876,581.84
  6. Step 6: Final answer
    x = 68,432,797.77

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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.