Home / 65,381,994.72-90,227,152.36-37,895,866.16

Finding the Fourth Proportional to 65,381,994.72, 90,227,152.36 and 37,895,866.16

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Solution

The fourth proportional to 65,381,994.72, 90,227,152.36 and 37,895,866.16 is: 52,296,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,381,994.72 : 90,227,152.36 = 37,895,866.16 : x
  2. Step 2: Convert to fraction form
    65,381,994.72/90,227,152.36 = 37,895,866.16/x
  3. Step 3: Cross multiply
    65,381,994.72x = 90,227,152.36 × 37,895,866.16
  4. Step 4: Simplify right side
    65,381,994.72x = 3,419,236,089,832,488
  5. Step 5: Solve for x
    x = 3,419,236,089,832,488/65,381,994.72
  6. Step 6: Final answer
    x = 52,296,295.10

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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.