Home / 91,516,657.44-126,240,268.32-54,825,970.80

Finding the Fourth Proportional to 91,516,657.44, 126,240,268.32 and 54,825,970.80

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Solution

The fourth proportional to 91,516,657.44, 126,240,268.32 and 54,825,970.80 is: 75,628,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516,657.44 : 126,240,268.32 = 54,825,970.80 : x
  2. Step 2: Convert to fraction form
    91,516,657.44/126,240,268.32 = 54,825,970.80/x
  3. Step 3: Cross multiply
    91,516,657.44x = 126,240,268.32 × 54,825,970.80
  4. Step 4: Simplify right side
    91,516,657.44x = 6,921,245,264,696,484
  5. Step 5: Solve for x
    x = 6,921,245,264,696,484/91,516,657.44
  6. Step 6: Final answer
    x = 75,628,256.74

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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.