Home / 123,298,653.57-170,152,342.86-67,542,850.12

Finding the Fourth Proportional to 123,298,653.57, 170,152,342.86 and 67,542,850.12

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Solution

The fourth proportional to 123,298,653.57, 170,152,342.86 and 67,542,850.12 is: 93,209,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,298,653.57 : 170,152,342.86 = 67,542,850.12 : x
  2. Step 2: Convert to fraction form
    123,298,653.57/170,152,342.86 = 67,542,850.12/x
  3. Step 3: Cross multiply
    123,298,653.57x = 170,152,342.86 × 67,542,850.12
  4. Step 4: Simplify right side
    123,298,653.57x = 11,492,574,191,605,652
  5. Step 5: Solve for x
    x = 11,492,574,191,605,652/123,298,653.57
  6. Step 6: Final answer
    x = 93,209,243.24

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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.