Home / 309,204,838.60-463,863,245.10-155,463,987.40

Finding the Fourth Proportional to 309,204,838.60, 463,863,245.10 and 155,463,987.40

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Solution

The fourth proportional to 309,204,838.60, 463,863,245.10 and 155,463,987.40 is: 233,224,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,204,838.60 : 463,863,245.10 = 155,463,987.40 : x
  2. Step 2: Convert to fraction form
    309,204,838.60/463,863,245.10 = 155,463,987.40/x
  3. Step 3: Cross multiply
    309,204,838.60x = 463,863,245.10 × 155,463,987.40
  4. Step 4: Simplify right side
    309,204,838.60x = 72,114,029,691,549,520
  5. Step 5: Solve for x
    x = 72,114,029,691,549,520/309,204,838.60
  6. Step 6: Final answer
    x = 233,224,130.70

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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.