Home / 89,717,078.65-123,809,678.73-48,463,971.04

Finding the Fourth Proportional to 89,717,078.65, 123,809,678.73 and 48,463,971.04

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Solution

The fourth proportional to 89,717,078.65, 123,809,678.73 and 48,463,971.04 is: 66,880,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,717,078.65 : 123,809,678.73 = 48,463,971.04 : x
  2. Step 2: Convert to fraction form
    89,717,078.65/123,809,678.73 = 48,463,971.04/x
  3. Step 3: Cross multiply
    89,717,078.65x = 123,809,678.73 × 48,463,971.04
  4. Step 4: Simplify right side
    89,717,078.65x = 6,000,308,684,442,424
  5. Step 5: Solve for x
    x = 6,000,308,684,442,424/89,717,078.65
  6. Step 6: Final answer
    x = 66,880,339.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.