Home / 118,915,586.85-178,330,543.16-41,171,382.93

Finding the Fourth Proportional to 118,915,586.85, 178,330,543.16 and 41,171,382.93

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Solution

The fourth proportional to 118,915,586.85, 178,330,543.16 and 41,171,382.93 is: 61,742,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,915,586.85 : 178,330,543.16 = 41,171,382.93 : x
  2. Step 2: Convert to fraction form
    118,915,586.85/178,330,543.16 = 41,171,382.93/x
  3. Step 3: Cross multiply
    118,915,586.85x = 178,330,543.16 × 41,171,382.93
  4. Step 4: Simplify right side
    118,915,586.85x = 7,342,115,080,349,395
  5. Step 5: Solve for x
    x = 7,342,115,080,349,395/118,915,586.85
  6. Step 6: Final answer
    x = 61,742,243.17

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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.