Home / 56,210,420.74-77,614,344.66-43,136,972.14

Finding the Fourth Proportional to 56,210,420.74, 77,614,344.66 and 43,136,972.14

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Solution

The fourth proportional to 56,210,420.74, 77,614,344.66 and 43,136,972.14 is: 59,562,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210,420.74 : 77,614,344.66 = 43,136,972.14 : x
  2. Step 2: Convert to fraction form
    56,210,420.74/77,614,344.66 = 43,136,972.14/x
  3. Step 3: Cross multiply
    56,210,420.74x = 77,614,344.66 × 43,136,972.14
  4. Step 4: Simplify right side
    56,210,420.74x = 3,348,047,823,262,777.50
  5. Step 5: Solve for x
    x = 3,348,047,823,262,777.50/56,210,420.74
  6. Step 6: Final answer
    x = 59,562,760.41

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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.