Home / 90,579,231,380.83-124,999,716,861.69-49,933,249,925.86

Finding the Fourth Proportional to 90,579,231,380.83, 124,999,716,861.69 and 49,933,249,925.86

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Solution

The fourth proportional to 90,579,231,380.83, 124,999,716,861.69 and 49,933,249,925.86 is: 68,908,093,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579,231,380.83 : 124,999,716,861.69 = 49,933,249,925.86 : x
  2. Step 2: Convert to fraction form
    90,579,231,380.83/124,999,716,861.69 = 49,933,249,925.86/x
  3. Step 3: Cross multiply
    90,579,231,380.83x = 124,999,716,861.69 × 49,933,249,925.86
  4. Step 4: Simplify right side
    90,579,231,380.83x = 6,241,642,102,716,503,162,880
  5. Step 5: Solve for x
    x = 6,241,642,102,716,503,162,880/90,579,231,380.83
  6. Step 6: Final answer
    x = 68,908,093,031.55

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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.