Home / 211,055,816.82-291,257,054.81-116,976,037.70

Finding the Fourth Proportional to 211,055,816.82, 291,257,054.81 and 116,976,037.70

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Solution

The fourth proportional to 211,055,816.82, 291,257,054.81 and 116,976,037.70 is: 161,426,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,816.82 : 291,257,054.81 = 116,976,037.70 : x
  2. Step 2: Convert to fraction form
    211,055,816.82/291,257,054.81 = 116,976,037.70/x
  3. Step 3: Cross multiply
    211,055,816.82x = 291,257,054.81 × 116,976,037.70
  4. Step 4: Simplify right side
    211,055,816.82x = 34,070,096,224,427,448
  5. Step 5: Solve for x
    x = 34,070,096,224,427,448/211,055,816.82
  6. Step 6: Final answer
    x = 161,426,947.32

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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.