Home / 89,938,724.68-134,907,637.02-21,781,415.08

Finding the Fourth Proportional to 89,938,724.68, 134,907,637.02 and 21,781,415.08

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Solution

The fourth proportional to 89,938,724.68, 134,907,637.02 and 21,781,415.08 is: 32,672,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938,724.68 : 134,907,637.02 = 21,781,415.08 : x
  2. Step 2: Convert to fraction form
    89,938,724.68/134,907,637.02 = 21,781,415.08/x
  3. Step 3: Cross multiply
    89,938,724.68x = 134,907,637.02 × 21,781,415.08
  4. Step 4: Simplify right side
    89,938,724.68x = 2,938,479,239,394,594.50
  5. Step 5: Solve for x
    x = 2,938,479,239,394,594.50/89,938,724.68
  6. Step 6: Final answer
    x = 32,672,013.64

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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.