Home / 287,820,015.84-431,760,265.92-93,746,543.04

Finding the Fourth Proportional to 287,820,015.84, 431,760,265.92 and 93,746,543.04

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Solution

The fourth proportional to 287,820,015.84, 431,760,265.92 and 93,746,543.04 is: 140,629,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,820,015.84 : 431,760,265.92 = 93,746,543.04 : x
  2. Step 2: Convert to fraction form
    287,820,015.84/431,760,265.92 = 93,746,543.04/x
  3. Step 3: Cross multiply
    287,820,015.84x = 431,760,265.92 × 93,746,543.04
  4. Step 4: Simplify right side
    287,820,015.84x = 40,476,032,352,031,128
  5. Step 5: Solve for x
    x = 40,476,032,352,031,128/287,820,015.84
  6. Step 6: Final answer
    x = 140,629,664.81

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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.