Home / 91,896,744.20-126,817,509.60-50,643,636.58

Finding the Fourth Proportional to 91,896,744.20, 126,817,509.60 and 50,643,636.58

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Solution

The fourth proportional to 91,896,744.20, 126,817,509.60 and 50,643,636.58 is: 69,888,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896,744.20 : 126,817,509.60 = 50,643,636.58 : x
  2. Step 2: Convert to fraction form
    91,896,744.20/126,817,509.60 = 50,643,636.58/x
  3. Step 3: Cross multiply
    91,896,744.20x = 126,817,509.60 × 50,643,636.58
  4. Step 4: Simplify right side
    91,896,744.20x = 6,422,499,868,163,061
  5. Step 5: Solve for x
    x = 6,422,499,868,163,061/91,896,744.20
  6. Step 6: Final answer
    x = 69,888,219.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.