Home / 73,578,399,640.90-110,366,011,161.51-20,518,019,400.58

Finding the Fourth Proportional to 73,578,399,640.90, 110,366,011,161.51 and 20,518,019,400.58

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Solution

The fourth proportional to 73,578,399,640.90, 110,366,011,161.51 and 20,518,019,400.58 is: 30,776,586,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578,399,640.90 : 110,366,011,161.51 = 20,518,019,400.58 : x
  2. Step 2: Convert to fraction form
    73,578,399,640.90/110,366,011,161.51 = 20,518,019,400.58/x
  3. Step 3: Cross multiply
    73,578,399,640.90x = 110,366,011,161.51 × 20,518,019,400.58
  4. Step 4: Simplify right side
    73,578,399,640.90x = 2,264,491,958,176,490,979,328
  5. Step 5: Solve for x
    x = 2,264,491,958,176,490,979,328/73,578,399,640.90
  6. Step 6: Final answer
    x = 30,776,586,188.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.