Home / 56,285,742.81-77,675,118.20-32,430,185.67

Finding the Fourth Proportional to 56,285,742.81, 77,675,118.20 and 32,430,185.67

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Solution

The fourth proportional to 56,285,742.81, 77,675,118.20 and 32,430,185.67 is: 44,754,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,285,742.81 : 77,675,118.20 = 32,430,185.67 : x
  2. Step 2: Convert to fraction form
    56,285,742.81/77,675,118.20 = 32,430,185.67/x
  3. Step 3: Cross multiply
    56,285,742.81x = 77,675,118.20 × 32,430,185.67
  4. Step 4: Simplify right side
    56,285,742.81x = 2,519,018,505,161,437.50
  5. Step 5: Solve for x
    x = 2,519,018,505,161,437.50/56,285,742.81
  6. Step 6: Final answer
    x = 44,754,113.20

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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.