Home / 242,259,399.12-334,319,328.72-137,837,468.28

Finding the Fourth Proportional to 242,259,399.12, 334,319,328.72 and 137,837,468.28

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Solution

The fourth proportional to 242,259,399.12, 334,319,328.72 and 137,837,468.28 is: 190,216,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,259,399.12 : 334,319,328.72 = 137,837,468.28 : x
  2. Step 2: Convert to fraction form
    242,259,399.12/334,319,328.72 = 137,837,468.28/x
  3. Step 3: Cross multiply
    242,259,399.12x = 334,319,328.72 × 137,837,468.28
  4. Step 4: Simplify right side
    242,259,399.12x = 46,081,729,867,833,896
  5. Step 5: Solve for x
    x = 46,081,729,867,833,896/242,259,399.12
  6. Step 6: Final answer
    x = 190,216,478.85

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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.