Home / 118,698,112.80-178,047,169.20-79,956,063.90

Finding the Fourth Proportional to 118,698,112.80, 178,047,169.20 and 79,956,063.90

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Solution

The fourth proportional to 118,698,112.80, 178,047,169.20 and 79,956,063.90 is: 119,934,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698,112.80 : 178,047,169.20 = 79,956,063.90 : x
  2. Step 2: Convert to fraction form
    118,698,112.80/178,047,169.20 = 79,956,063.90/x
  3. Step 3: Cross multiply
    118,698,112.80x = 178,047,169.20 × 79,956,063.90
  4. Step 4: Simplify right side
    118,698,112.80x = 14,235,950,837,769,312
  5. Step 5: Solve for x
    x = 14,235,950,837,769,312/118,698,112.80
  6. Step 6: Final answer
    x = 119,934,095.85

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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.