Home / 117,569,520.78-176,255,632.32-51,980,069.12

Finding the Fourth Proportional to 117,569,520.78, 176,255,632.32 and 51,980,069.12

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Solution

The fourth proportional to 117,569,520.78, 176,255,632.32 and 51,980,069.12 is: 77,926,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569,520.78 : 176,255,632.32 = 51,980,069.12 : x
  2. Step 2: Convert to fraction form
    117,569,520.78/176,255,632.32 = 51,980,069.12/x
  3. Step 3: Cross multiply
    117,569,520.78x = 176,255,632.32 × 51,980,069.12
  4. Step 4: Simplify right side
    117,569,520.78x = 9,161,779,950,782,906
  5. Step 5: Solve for x
    x = 9,161,779,950,782,906/117,569,520.78
  6. Step 6: Final answer
    x = 77,926,488.86

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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.