Home / 105,722,433.90-158,583,650.85-77,024,619.90

Finding the Fourth Proportional to 105,722,433.90, 158,583,650.85 and 77,024,619.90

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Solution

The fourth proportional to 105,722,433.90, 158,583,650.85 and 77,024,619.90 is: 115,536,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,722,433.90 : 158,583,650.85 = 77,024,619.90 : x
  2. Step 2: Convert to fraction form
    105,722,433.90/158,583,650.85 = 77,024,619.90/x
  3. Step 3: Cross multiply
    105,722,433.90x = 158,583,650.85 × 77,024,619.90
  4. Step 4: Simplify right side
    105,722,433.90x = 12,214,845,429,075,562
  5. Step 5: Solve for x
    x = 12,214,845,429,075,562/105,722,433.90
  6. Step 6: Final answer
    x = 115,536,929.85

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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.