Home / 268,380,041.02-402,525,217.08-74,311,073.84

Finding the Fourth Proportional to 268,380,041.02, 402,525,217.08 and 74,311,073.84

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Solution

The fourth proportional to 268,380,041.02, 402,525,217.08 and 74,311,073.84 is: 111,454,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,380,041.02 : 402,525,217.08 = 74,311,073.84 : x
  2. Step 2: Convert to fraction form
    268,380,041.02/402,525,217.08 = 74,311,073.84/x
  3. Step 3: Cross multiply
    268,380,041.02x = 402,525,217.08 × 74,311,073.84
  4. Step 4: Simplify right side
    268,380,041.02x = 29,912,081,128,893,908
  5. Step 5: Solve for x
    x = 29,912,081,128,893,908/268,380,041.02
  6. Step 6: Final answer
    x = 111,454,193.89

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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.