Home / 89,339,960.10-134,009,940.15-71,424,056.10

Finding the Fourth Proportional to 89,339,960.10, 134,009,940.15 and 71,424,056.10

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Solution

The fourth proportional to 89,339,960.10, 134,009,940.15 and 71,424,056.10 is: 107,136,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,960.10 : 134,009,940.15 = 71,424,056.10 : x
  2. Step 2: Convert to fraction form
    89,339,960.10/134,009,940.15 = 71,424,056.10/x
  3. Step 3: Cross multiply
    89,339,960.10x = 134,009,940.15 × 71,424,056.10
  4. Step 4: Simplify right side
    89,339,960.10x = 9,571,533,483,231,242
  5. Step 5: Solve for x
    x = 9,571,533,483,231,242/89,339,960.10
  6. Step 6: Final answer
    x = 107,136,084.15

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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.