Home / 190,162,057.90-285,160,024.16-67,299,541.50

Finding the Fourth Proportional to 190,162,057.90, 285,160,024.16 and 67,299,541.50

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Solution

The fourth proportional to 190,162,057.90, 285,160,024.16 and 67,299,541.50 is: 100,919,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,162,057.90 : 285,160,024.16 = 67,299,541.50 : x
  2. Step 2: Convert to fraction form
    190,162,057.90/285,160,024.16 = 67,299,541.50/x
  3. Step 3: Cross multiply
    190,162,057.90x = 285,160,024.16 × 67,299,541.50
  4. Step 4: Simplify right side
    190,162,057.90x = 19,191,138,880,096,924
  5. Step 5: Solve for x
    x = 19,191,138,880,096,924/190,162,057.90
  6. Step 6: Final answer
    x = 100,919,915.84

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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.