Home / 140,020,075.09-193,222,638.39-77,294,825.83

Finding the Fourth Proportional to 140,020,075.09, 193,222,638.39 and 77,294,825.83

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Solution

The fourth proportional to 140,020,075.09, 193,222,638.39 and 77,294,825.83 is: 106,664,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,075.09 : 193,222,638.39 = 77,294,825.83 : x
  2. Step 2: Convert to fraction form
    140,020,075.09/193,222,638.39 = 77,294,825.83/x
  3. Step 3: Cross multiply
    140,020,075.09x = 193,222,638.39 × 77,294,825.83
  4. Step 4: Simplify right side
    140,020,075.09x = 14,935,110,180,768,120
  5. Step 5: Solve for x
    x = 14,935,110,180,768,120/140,020,075.09
  6. Step 6: Final answer
    x = 106,664,063.50

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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.