Home / 330,434,126.64-495,568,783.80-97,218,432

Finding the Fourth Proportional to 330,434,126.64, 495,568,783.80 and 97,218,432

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Solution

The fourth proportional to 330,434,126.64, 495,568,783.80 and 97,218,432 is: 145,803,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,434,126.64 : 495,568,783.80 = 97,218,432 : x
  2. Step 2: Convert to fraction form
    330,434,126.64/495,568,783.80 = 97,218,432/x
  3. Step 3: Cross multiply
    330,434,126.64x = 495,568,783.80 × 97,218,432
  4. Step 4: Simplify right side
    330,434,126.64x = 48,178,420,109,183,000
  5. Step 5: Solve for x
    x = 48,178,420,109,183,000/330,434,126.64
  6. Step 6: Final answer
    x = 145,803,402.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.