Home / 113,932,820.32-157,317,403.56-105,227,510.56

Finding the Fourth Proportional to 113,932,820.32, 157,317,403.56 and 105,227,510.56

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Solution

The fourth proportional to 113,932,820.32, 157,317,403.56 and 105,227,510.56 is: 145,297,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,932,820.32 : 157,317,403.56 = 105,227,510.56 : x
  2. Step 2: Convert to fraction form
    113,932,820.32/157,317,403.56 = 105,227,510.56/x
  3. Step 3: Cross multiply
    113,932,820.32x = 157,317,403.56 × 105,227,510.56
  4. Step 4: Simplify right side
    113,932,820.32x = 16,554,118,744,381,682
  5. Step 5: Solve for x
    x = 16,554,118,744,381,682/113,932,820.32
  6. Step 6: Final answer
    x = 145,297,190.91

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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.