Home / 90,579,236,408.76-124,999,723,799.71-49,933,254,953.75

Finding the Fourth Proportional to 90,579,236,408.76, 124,999,723,799.71 and 49,933,254,953.75

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Solution

The fourth proportional to 90,579,236,408.76, 124,999,723,799.71 and 49,933,254,953.75 is: 68,908,099,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579,236,408.76 : 124,999,723,799.71 = 49,933,254,953.75 : x
  2. Step 2: Convert to fraction form
    90,579,236,408.76/124,999,723,799.71 = 49,933,254,953.75/x
  3. Step 3: Cross multiply
    90,579,236,408.76x = 124,999,723,799.71 × 49,933,254,953.75
  4. Step 4: Simplify right side
    90,579,236,408.76x = 6,241,643,077,639,626,293,248
  5. Step 5: Solve for x
    x = 6,241,643,077,639,626,293,248/90,579,236,408.76
  6. Step 6: Final answer
    x = 68,908,099,969.76

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1.5x scale

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.