Home / 287,805,346.70-431,611,347.36-93,671,104.86

Finding the Fourth Proportional to 287,805,346.70, 431,611,347.36 and 93,671,104.86

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Solution

The fourth proportional to 287,805,346.70, 431,611,347.36 and 93,671,104.86 is: 140,475,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,805,346.70 : 431,611,347.36 = 93,671,104.86 : x
  2. Step 2: Convert to fraction form
    287,805,346.70/431,611,347.36 = 93,671,104.86/x
  3. Step 3: Cross multiply
    287,805,346.70x = 431,611,347.36 × 93,671,104.86
  4. Step 4: Simplify right side
    287,805,346.70x = 40,429,511,777,324,448
  5. Step 5: Solve for x
    x = 40,429,511,777,324,448/287,805,346.70
  6. Step 6: Final answer
    x = 140,475,193.53

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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.