Home / 90,371,234.66-124,714,934.45-51,211,709.33

Finding the Fourth Proportional to 90,371,234.66, 124,714,934.45 and 51,211,709.33

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Solution

The fourth proportional to 90,371,234.66, 124,714,934.45 and 51,211,709.33 is: 70,673,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371,234.66 : 124,714,934.45 = 51,211,709.33 : x
  2. Step 2: Convert to fraction form
    90,371,234.66/124,714,934.45 = 51,211,709.33/x
  3. Step 3: Cross multiply
    90,371,234.66x = 124,714,934.45 × 51,211,709.33
  4. Step 4: Simplify right side
    90,371,234.66x = 6,386,864,971,283,770
  5. Step 5: Solve for x
    x = 6,386,864,971,283,770/90,371,234.66
  6. Step 6: Final answer
    x = 70,673,649.59

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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.