Home / 90,227,856.49-124,511,220.30-51,068,792.48

Finding the Fourth Proportional to 90,227,856.49, 124,511,220.30 and 51,068,792.48

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Solution

The fourth proportional to 90,227,856.49, 124,511,220.30 and 51,068,792.48 is: 70,473,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227,856.49 : 124,511,220.30 = 51,068,792.48 : x
  2. Step 2: Convert to fraction form
    90,227,856.49/124,511,220.30 = 51,068,792.48/x
  3. Step 3: Cross multiply
    90,227,856.49x = 124,511,220.30 × 51,068,792.48
  4. Step 4: Simplify right side
    90,227,856.49x = 6,358,637,670,932,263
  5. Step 5: Solve for x
    x = 6,358,637,670,932,263/90,227,856.49
  6. Step 6: Final answer
    x = 70,473,110.17

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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.