Home / 276,299,876.45-381,465,907.60-175,884,971.40

Finding the Fourth Proportional to 276,299,876.45, 381,465,907.60 and 175,884,971.40

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Solution

The fourth proportional to 276,299,876.45, 381,465,907.60 and 175,884,971.40 is: 242,830,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,299,876.45 : 381,465,907.60 = 175,884,971.40 : x
  2. Step 2: Convert to fraction form
    276,299,876.45/381,465,907.60 = 175,884,971.40/x
  3. Step 3: Cross multiply
    276,299,876.45x = 381,465,907.60 × 175,884,971.40
  4. Step 4: Simplify right side
    276,299,876.45x = 67,094,120,248,301,048
  5. Step 5: Solve for x
    x = 67,094,120,248,301,048/276,299,876.45
  6. Step 6: Final answer
    x = 242,830,800.76

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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.