Home / 77,142,515.63-115,706,687.45-26,024,977.31

Finding the Fourth Proportional to 77,142,515.63, 115,706,687.45 and 26,024,977.31

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Solution

The fourth proportional to 77,142,515.63, 115,706,687.45 and 26,024,977.31 is: 39,035,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,142,515.63 : 115,706,687.45 = 26,024,977.31 : x
  2. Step 2: Convert to fraction form
    77,142,515.63/115,706,687.45 = 26,024,977.31/x
  3. Step 3: Cross multiply
    77,142,515.63x = 115,706,687.45 × 26,024,977.31
  4. Step 4: Simplify right side
    77,142,515.63x = 3,011,263,914,792,853
  5. Step 5: Solve for x
    x = 3,011,263,914,792,853/77,142,515.63
  6. Step 6: Final answer
    x = 39,035,075.41

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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.