Home / 91,665,555.53-126,831,565.19-79,929,296.84

Finding the Fourth Proportional to 91,665,555.53, 126,831,565.19 and 79,929,296.84

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Solution

The fourth proportional to 91,665,555.53, 126,831,565.19 and 79,929,296.84 is: 110,592,880.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,665,555.53 : 126,831,565.19 = 79,929,296.84 : x
  2. Step 2: Convert to fraction form
    91,665,555.53/126,831,565.19 = 79,929,296.84/x
  3. Step 3: Cross multiply
    91,665,555.53x = 126,831,565.19 × 79,929,296.84
  4. Step 4: Simplify right side
    91,665,555.53x = 10,137,557,823,270,222
  5. Step 5: Solve for x
    x = 10,137,557,823,270,222/91,665,555.53
  6. Step 6: Final answer
    x = 110,592,880.45

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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.