Home / 89,444,226.75-123,931,072.61-87,507,124.32

Finding the Fourth Proportional to 89,444,226.75, 123,931,072.61 and 87,507,124.32

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Solution

The fourth proportional to 89,444,226.75, 123,931,072.61 and 87,507,124.32 is: 121,247,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,444,226.75 : 123,931,072.61 = 87,507,124.32 : x
  2. Step 2: Convert to fraction form
    89,444,226.75/123,931,072.61 = 87,507,124.32/x
  3. Step 3: Cross multiply
    89,444,226.75x = 123,931,072.61 × 87,507,124.32
  4. Step 4: Simplify right side
    89,444,226.75x = 10,844,851,778,212,984
  5. Step 5: Solve for x
    x = 10,844,851,778,212,984/89,444,226.75
  6. Step 6: Final answer
    x = 121,247,085.16

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.