Home / 140,020,054.67-193,222,610.25-77,294,805.41

Finding the Fourth Proportional to 140,020,054.67, 193,222,610.25 and 77,294,805.41

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Solution

The fourth proportional to 140,020,054.67, 193,222,610.25 and 77,294,805.41 is: 106,664,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,054.67 : 193,222,610.25 = 77,294,805.41 : x
  2. Step 2: Convert to fraction form
    140,020,054.67/193,222,610.25 = 77,294,805.41/x
  3. Step 3: Cross multiply
    140,020,054.67x = 193,222,610.25 × 77,294,805.41
  4. Step 4: Simplify right side
    140,020,054.67x = 14,935,104,060,086,020
  5. Step 5: Solve for x
    x = 14,935,104,060,086,020/140,020,054.67
  6. Step 6: Final answer
    x = 106,664,035.34

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1.5x scale

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.