Home / 78,785,933.64-118,194,844.49-27,671,938.26

Finding the Fourth Proportional to 78,785,933.64, 118,194,844.49 and 27,671,938.26

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Solution

The fourth proportional to 78,785,933.64, 118,194,844.49 and 27,671,938.26 is: 41,513,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785,933.64 : 118,194,844.49 = 27,671,938.26 : x
  2. Step 2: Convert to fraction form
    78,785,933.64/118,194,844.49 = 27,671,938.26/x
  3. Step 3: Cross multiply
    78,785,933.64x = 118,194,844.49 × 27,671,938.26
  4. Step 4: Simplify right side
    78,785,933.64x = 3,270,680,439,377,581
  5. Step 5: Solve for x
    x = 3,270,680,439,377,581/78,785,933.64
  6. Step 6: Final answer
    x = 41,513,507.40

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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.