Home / 287,578,139.80-431,367,209.70-241,661,637.40

Finding the Fourth Proportional to 287,578,139.80, 431,367,209.70 and 241,661,637.40

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Solution

The fourth proportional to 287,578,139.80, 431,367,209.70 and 241,661,637.40 is: 362,492,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,578,139.80 : 431,367,209.70 = 241,661,637.40 : x
  2. Step 2: Convert to fraction form
    287,578,139.80/431,367,209.70 = 241,661,637.40/x
  3. Step 3: Cross multiply
    287,578,139.80x = 431,367,209.70 × 241,661,637.40
  4. Step 4: Simplify right side
    287,578,139.80x = 104,244,906,216,771,168
  5. Step 5: Solve for x
    x = 104,244,906,216,771,168/287,578,139.80
  6. Step 6: Final answer
    x = 362,492,456.10

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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.