Home / 309,203,721.60-463,861,569.60-155,462,870.40

Finding the Fourth Proportional to 309,203,721.60, 463,861,569.60 and 155,462,870.40

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Solution

The fourth proportional to 309,203,721.60, 463,861,569.60 and 155,462,870.40 is: 233,222,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,203,721.60 : 463,861,569.60 = 155,462,870.40 : x
  2. Step 2: Convert to fraction form
    309,203,721.60/463,861,569.60 = 155,462,870.40/x
  3. Step 3: Cross multiply
    309,203,721.60x = 463,861,569.60 × 155,462,870.40
  4. Step 4: Simplify right side
    309,203,721.60x = 72,113,251,078,265,392
  5. Step 5: Solve for x
    x = 72,113,251,078,265,392/309,203,721.60
  6. Step 6: Final answer
    x = 233,222,455.10

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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.