Home / 77,481,278.07-106,929,017.37-42,673,960.50

Finding the Fourth Proportional to 77,481,278.07, 106,929,017.37 and 42,673,960.50

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Solution

The fourth proportional to 77,481,278.07, 106,929,017.37 and 42,673,960.50 is: 58,892,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,481,278.07 : 106,929,017.37 = 42,673,960.50 : x
  2. Step 2: Convert to fraction form
    77,481,278.07/106,929,017.37 = 42,673,960.50/x
  3. Step 3: Cross multiply
    77,481,278.07x = 106,929,017.37 × 42,673,960.50
  4. Step 4: Simplify right side
    77,481,278.07x = 4,563,084,663,551,194
  5. Step 5: Solve for x
    x = 4,563,084,663,551,194/77,481,278.07
  6. Step 6: Final answer
    x = 58,892,738.70

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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.