Home / 87,683,907.84-121,004,022.60-48,528,384.72

Finding the Fourth Proportional to 87,683,907.84, 121,004,022.60 and 48,528,384.72

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Solution

The fourth proportional to 87,683,907.84, 121,004,022.60 and 48,528,384.72 is: 66,969,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683,907.84 : 121,004,022.60 = 48,528,384.72 : x
  2. Step 2: Convert to fraction form
    87,683,907.84/121,004,022.60 = 48,528,384.72/x
  3. Step 3: Cross multiply
    87,683,907.84x = 121,004,022.60 × 48,528,384.72
  4. Step 4: Simplify right side
    87,683,907.84x = 5,872,129,761,400,374
  5. Step 5: Solve for x
    x = 5,872,129,761,400,374/87,683,907.84
  6. Step 6: Final answer
    x = 66,969,298.09

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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.