Home / 118,675,284.80-178,033,025.76-40,931,079.84

Finding the Fourth Proportional to 118,675,284.80, 178,033,025.76 and 40,931,079.84

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Solution

The fourth proportional to 118,675,284.80, 178,033,025.76 and 40,931,079.84 is: 61,403,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,284.80 : 178,033,025.76 = 40,931,079.84 : x
  2. Step 2: Convert to fraction form
    118,675,284.80/178,033,025.76 = 40,931,079.84/x
  3. Step 3: Cross multiply
    118,675,284.80x = 178,033,025.76 × 40,931,079.84
  4. Step 4: Simplify right side
    118,675,284.80x = 7,287,083,991,539,337
  5. Step 5: Solve for x
    x = 7,287,083,991,539,337/118,675,284.80
  6. Step 6: Final answer
    x = 61,403,551.75

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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.