Home / 309,119,387.86-463,676,719.79-79,088,103.46

Finding the Fourth Proportional to 309,119,387.86, 463,676,719.79 and 79,088,103.46

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Solution

The fourth proportional to 309,119,387.86, 463,676,719.79 and 79,088,103.46 is: 118,631,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,119,387.86 : 463,676,719.79 = 79,088,103.46 : x
  2. Step 2: Convert to fraction form
    309,119,387.86/463,676,719.79 = 79,088,103.46/x
  3. Step 3: Cross multiply
    309,119,387.86x = 463,676,719.79 × 79,088,103.46
  4. Step 4: Simplify right side
    309,119,387.86x = 36,671,312,385,783,480
  5. Step 5: Solve for x
    x = 36,671,312,385,783,480/309,119,387.86
  6. Step 6: Final answer
    x = 118,631,550.87

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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.