Home / 142,164,136.40-213,246,204.60-92,846,411.60

Finding the Fourth Proportional to 142,164,136.40, 213,246,204.60 and 92,846,411.60

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Solution

The fourth proportional to 142,164,136.40, 213,246,204.60 and 92,846,411.60 is: 139,269,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,136.40 : 213,246,204.60 = 92,846,411.60 : x
  2. Step 2: Convert to fraction form
    142,164,136.40/213,246,204.60 = 92,846,411.60/x
  3. Step 3: Cross multiply
    142,164,136.40x = 213,246,204.60 × 92,846,411.60
  4. Step 4: Simplify right side
    142,164,136.40x = 19,799,144,884,429,412
  5. Step 5: Solve for x
    x = 19,799,144,884,429,412/142,164,136.40
  6. Step 6: Final answer
    x = 139,269,617.40

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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.