Home / 118,820,804.87-178,196,630.76-46,021,348.55

Finding the Fourth Proportional to 118,820,804.87, 178,196,630.76 and 46,021,348.55

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Solution

The fourth proportional to 118,820,804.87, 178,196,630.76 and 46,021,348.55 is: 69,018,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,820,804.87 : 178,196,630.76 = 46,021,348.55 : x
  2. Step 2: Convert to fraction form
    118,820,804.87/178,196,630.76 = 46,021,348.55/x
  3. Step 3: Cross multiply
    118,820,804.87x = 178,196,630.76 × 46,021,348.55
  4. Step 4: Simplify right side
    118,820,804.87x = 8,200,849,253,750,628
  5. Step 5: Solve for x
    x = 8,200,849,253,750,628/118,820,804.87
  6. Step 6: Final answer
    x = 69,018,630.73

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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.