Home / 101,712,340.98-140,362,040.79-55,302,594.78

Finding the Fourth Proportional to 101,712,340.98, 140,362,040.79 and 55,302,594.78

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Solution

The fourth proportional to 101,712,340.98, 140,362,040.79 and 55,302,594.78 is: 76,317,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,712,340.98 : 140,362,040.79 = 55,302,594.78 : x
  2. Step 2: Convert to fraction form
    101,712,340.98/140,362,040.79 = 55,302,594.78/x
  3. Step 3: Cross multiply
    101,712,340.98x = 140,362,040.79 × 55,302,594.78
  4. Step 4: Simplify right side
    101,712,340.98x = 7,762,385,064,303,201
  5. Step 5: Solve for x
    x = 7,762,385,064,303,201/101,712,340.98
  6. Step 6: Final answer
    x = 76,317,042.65

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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.