Home / 274,427,780.40-411,554,278.08-90,152,485.02

Finding the Fourth Proportional to 274,427,780.40, 411,554,278.08 and 90,152,485.02

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Solution

The fourth proportional to 274,427,780.40, 411,554,278.08 and 90,152,485.02 is: 135,200,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,427,780.40 : 411,554,278.08 = 90,152,485.02 : x
  2. Step 2: Convert to fraction form
    274,427,780.40/411,554,278.08 = 90,152,485.02/x
  3. Step 3: Cross multiply
    274,427,780.40x = 411,554,278.08 × 90,152,485.02
  4. Step 4: Simplify right side
    274,427,780.40x = 37,102,640,889,524,112
  5. Step 5: Solve for x
    x = 37,102,640,889,524,112/274,427,780.40
  6. Step 6: Final answer
    x = 135,200,018.14

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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.