Home / 243,015,443.64-335,254,442.48-142,492,571.12

Finding the Fourth Proportional to 243,015,443.64, 335,254,442.48 and 142,492,571.12

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Solution

The fourth proportional to 243,015,443.64, 335,254,442.48 and 142,492,571.12 is: 196,577,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,015,443.64 : 335,254,442.48 = 142,492,571.12 : x
  2. Step 2: Convert to fraction form
    243,015,443.64/335,254,442.48 = 142,492,571.12/x
  3. Step 3: Cross multiply
    243,015,443.64x = 335,254,442.48 × 142,492,571.12
  4. Step 4: Simplify right side
    243,015,443.64x = 47,771,267,488,377,352
  5. Step 5: Solve for x
    x = 47,771,267,488,377,352/243,015,443.64
  6. Step 6: Final answer
    x = 196,577,084.87

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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.