Home / 56,089,564.40-84,143,644.84-19,688,509.68

Finding the Fourth Proportional to 56,089,564.40, 84,143,644.84 and 19,688,509.68

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Solution

The fourth proportional to 56,089,564.40, 84,143,644.84 and 19,688,509.68 is: 29,536,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089,564.40 : 84,143,644.84 = 19,688,509.68 : x
  2. Step 2: Convert to fraction form
    56,089,564.40/84,143,644.84 = 19,688,509.68/x
  3. Step 3: Cross multiply
    56,089,564.40x = 84,143,644.84 × 19,688,509.68
  4. Step 4: Simplify right side
    56,089,564.40x = 1,656,662,965,942,822
  5. Step 5: Solve for x
    x = 1,656,662,965,942,822/56,089,564.40
  6. Step 6: Final answer
    x = 29,536,028.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.