Home / 77,433,590.46-106,859,722.42-42,152,415.60

Finding the Fourth Proportional to 77,433,590.46, 106,859,722.42 and 42,152,415.60

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Solution

The fourth proportional to 77,433,590.46, 106,859,722.42 and 42,152,415.60 is: 58,171,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433,590.46 : 106,859,722.42 = 42,152,415.60 : x
  2. Step 2: Convert to fraction form
    77,433,590.46/106,859,722.42 = 42,152,415.60/x
  3. Step 3: Cross multiply
    77,433,590.46x = 106,859,722.42 × 42,152,415.60
  4. Step 4: Simplify right side
    77,433,590.46x = 4,504,395,430,348,478
  5. Step 5: Solve for x
    x = 4,504,395,430,348,478/77,433,590.46
  6. Step 6: Final answer
    x = 58,171,078.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.