Home / 76,490,541.40-114,735,812.10-61,373,997.40

Finding the Fourth Proportional to 76,490,541.40, 114,735,812.10 and 61,373,997.40

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Solution

The fourth proportional to 76,490,541.40, 114,735,812.10 and 61,373,997.40 is: 92,060,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,490,541.40 : 114,735,812.10 = 61,373,997.40 : x
  2. Step 2: Convert to fraction form
    76,490,541.40/114,735,812.10 = 61,373,997.40/x
  3. Step 3: Cross multiply
    76,490,541.40x = 114,735,812.10 × 61,373,997.40
  4. Step 4: Simplify right side
    76,490,541.40x = 7,041,795,433,512,288
  5. Step 5: Solve for x
    x = 7,041,795,433,512,288/76,490,541.40
  6. Step 6: Final answer
    x = 92,060,996.10

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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.