Home / 287,588,171.80-431,382,257.70-241,671,669.40

Finding the Fourth Proportional to 287,588,171.80, 431,382,257.70 and 241,671,669.40

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Solution

The fourth proportional to 287,588,171.80, 431,382,257.70 and 241,671,669.40 is: 362,507,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,588,171.80 : 431,382,257.70 = 241,671,669.40 : x
  2. Step 2: Convert to fraction form
    287,588,171.80/431,382,257.70 = 241,671,669.40/x
  3. Step 3: Cross multiply
    287,588,171.80x = 431,382,257.70 × 241,671,669.40
  4. Step 4: Simplify right side
    287,588,171.80x = 104,252,870,367,900,000
  5. Step 5: Solve for x
    x = 104,252,870,367,900,000/287,588,171.80
  6. Step 6: Final answer
    x = 362,507,504.10

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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.