Home / 105,422,432.96-157,927,715.37-72,627,208.88

Finding the Fourth Proportional to 105,422,432.96, 157,927,715.37 and 72,627,208.88

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Solution

The fourth proportional to 105,422,432.96, 157,927,715.37 and 72,627,208.88 is: 108,798,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,422,432.96 : 157,927,715.37 = 72,627,208.88 : x
  2. Step 2: Convert to fraction form
    105,422,432.96/157,927,715.37 = 72,627,208.88/x
  3. Step 3: Cross multiply
    105,422,432.96x = 157,927,715.37 × 72,627,208.88
  4. Step 4: Simplify right side
    105,422,432.96x = 11,469,849,172,118,176
  5. Step 5: Solve for x
    x = 11,469,849,172,118,176/105,422,432.96
  6. Step 6: Final answer
    x = 108,798,942.03

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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.