Home / 140,020,048.61-193,222,601.86-77,294,799.34

Finding the Fourth Proportional to 140,020,048.61, 193,222,601.86 and 77,294,799.34

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Solution

The fourth proportional to 140,020,048.61, 193,222,601.86 and 77,294,799.34 is: 106,664,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,020,048.61 : 193,222,601.86 = 77,294,799.34 : x
  2. Step 2: Convert to fraction form
    140,020,048.61/193,222,601.86 = 77,294,799.34/x
  3. Step 3: Cross multiply
    140,020,048.61x = 193,222,601.86 × 77,294,799.34
  4. Step 4: Simplify right side
    140,020,048.61x = 14,935,102,237,755,298
  5. Step 5: Solve for x
    x = 14,935,102,237,755,298/140,020,048.61
  6. Step 6: Final answer
    x = 106,664,026.94

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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.