Home / 243,015,440.63-335,254,438.35-142,492,568.11

Finding the Fourth Proportional to 243,015,440.63, 335,254,438.35 and 142,492,568.11

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Solution

The fourth proportional to 243,015,440.63, 335,254,438.35 and 142,492,568.11 is: 196,577,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,015,440.63 : 335,254,438.35 = 142,492,568.11 : x
  2. Step 2: Convert to fraction form
    243,015,440.63/335,254,438.35 = 142,492,568.11/x
  3. Step 3: Cross multiply
    243,015,440.63x = 335,254,438.35 × 142,492,568.11
  4. Step 4: Simplify right side
    243,015,440.63x = 47,771,265,889,929,032
  5. Step 5: Solve for x
    x = 47,771,265,889,929,032/243,015,440.63
  6. Step 6: Final answer
    x = 196,577,080.73

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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.