Home / 90,227,962.82-124,511,366.76-51,068,898.56

Finding the Fourth Proportional to 90,227,962.82, 124,511,366.76 and 51,068,898.56

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Solution

The fourth proportional to 90,227,962.82, 124,511,366.76 and 51,068,898.56 is: 70,473,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,962.82 : 124,511,366.76 = 51,068,898.56 : x
  2. Step 2: Convert to fraction form
    90,227,962.82/124,511,366.76 = 51,068,898.56/x
  3. Step 3: Cross multiply
    90,227,962.82x = 124,511,366.76 × 51,068,898.56
  4. Step 4: Simplify right side
    90,227,962.82x = 6,358,658,358,633,396
  5. Step 5: Solve for x
    x = 6,358,658,358,633,396/90,227,962.82
  6. Step 6: Final answer
    x = 70,473,256.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.