Home / 90,336,153.15-124,663,457.43-51,177,837.15

Finding the Fourth Proportional to 90,336,153.15, 124,663,457.43 and 51,177,837.15

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Solution

The fourth proportional to 90,336,153.15, 124,663,457.43 and 51,177,837.15 is: 70,625,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336,153.15 : 124,663,457.43 = 51,177,837.15 : x
  2. Step 2: Convert to fraction form
    90,336,153.15/124,663,457.43 = 51,177,837.15/x
  3. Step 3: Cross multiply
    90,336,153.15x = 124,663,457.43 × 51,177,837.15
  4. Step 4: Simplify right side
    90,336,153.15x = 6,380,006,122,908,498
  5. Step 5: Solve for x
    x = 6,380,006,122,908,498/90,336,153.15
  6. Step 6: Final answer
    x = 70,625,169.44

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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.