Home / 331,768,124.56-497,874,160.51-137,679,533.16

Finding the Fourth Proportional to 331,768,124.56, 497,874,160.51 and 137,679,533.16

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Solution

The fourth proportional to 331,768,124.56, 497,874,160.51 and 137,679,533.16 is: 206,611,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,768,124.56 : 497,874,160.51 = 137,679,533.16 : x
  2. Step 2: Convert to fraction form
    331,768,124.56/497,874,160.51 = 137,679,533.16/x
  3. Step 3: Cross multiply
    331,768,124.56x = 497,874,160.51 × 137,679,533.16
  4. Step 4: Simplify right side
    331,768,124.56x = 68,547,081,991,443,704
  5. Step 5: Solve for x
    x = 68,547,081,991,443,704/331,768,124.56
  6. Step 6: Final answer
    x = 206,611,415.98

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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.