Home / 297,173,633.95-445,783,908.57-78,824,040.58

Finding the Fourth Proportional to 297,173,633.95, 445,783,908.57 and 78,824,040.58

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Solution

The fourth proportional to 297,173,633.95, 445,783,908.57 and 78,824,040.58 is: 118,242,282.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,173,633.95 : 445,783,908.57 = 78,824,040.58 : x
  2. Step 2: Convert to fraction form
    297,173,633.95/445,783,908.57 = 78,824,040.58/x
  3. Step 3: Cross multiply
    297,173,633.95x = 445,783,908.57 × 78,824,040.58
  4. Step 4: Simplify right side
    297,173,633.95x = 35,138,488,899,032,688
  5. Step 5: Solve for x
    x = 35,138,488,899,032,688/297,173,633.95
  6. Step 6: Final answer
    x = 118,242,282.91

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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.