Home / 115,096,690,807.68-158,825,370,118.32-66,921,316,217.76

Finding the Fourth Proportional to 115,096,690,807.68, 158,825,370,118.32 and 66,921,316,217.76

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Solution

The fourth proportional to 115,096,690,807.68, 158,825,370,118.32 and 66,921,316,217.76 is: 92,346,728,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,096,690,807.68 : 158,825,370,118.32 = 66,921,316,217.76 : x
  2. Step 2: Convert to fraction form
    115,096,690,807.68/158,825,370,118.32 = 66,921,316,217.76/x
  3. Step 3: Cross multiply
    115,096,690,807.68x = 158,825,370,118.32 × 66,921,316,217.76
  4. Step 4: Simplify right side
    115,096,690,807.68x = 10,628,802,817,090,864,021,504
  5. Step 5: Solve for x
    x = 10,628,802,817,090,864,021,504/115,096,690,807.68
  6. Step 6: Final answer
    x = 92,346,728,150.95

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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.