Home / 190,666,862.10-263,119,212-107,034,970.59

Finding the Fourth Proportional to 190,666,862.10, 263,119,212 and 107,034,970.59

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Solution

The fourth proportional to 190,666,862.10, 263,119,212 and 107,034,970.59 is: 147,707,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,666,862.10 : 263,119,212 = 107,034,970.59 : x
  2. Step 2: Convert to fraction form
    190,666,862.10/263,119,212 = 107,034,970.59/x
  3. Step 3: Cross multiply
    190,666,862.10x = 263,119,212 × 107,034,970.59
  4. Step 4: Simplify right side
    190,666,862.10x = 28,162,957,118,083,976
  5. Step 5: Solve for x
    x = 28,162,957,118,083,976/190,666,862.10
  6. Step 6: Final answer
    x = 147,707,665.65

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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.