Home / 309,203,722.10-463,861,570.35-155,462,870.90

Finding the Fourth Proportional to 309,203,722.10, 463,861,570.35 and 155,462,870.90

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Solution

The fourth proportional to 309,203,722.10, 463,861,570.35 and 155,462,870.90 is: 233,222,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,203,722.10 : 463,861,570.35 = 155,462,870.90 : x
  2. Step 2: Convert to fraction form
    309,203,722.10/463,861,570.35 = 155,462,870.90/x
  3. Step 3: Cross multiply
    309,203,722.10x = 463,861,570.35 × 155,462,870.90
  4. Step 4: Simplify right side
    309,203,722.10x = 72,113,251,426,793,328
  5. Step 5: Solve for x
    x = 72,113,251,426,793,328/309,203,722.10
  6. Step 6: Final answer
    x = 233,222,455.85

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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.