Home / 42,819,949.78-59,089,950.11-23,240,417.78

Finding the Fourth Proportional to 42,819,949.78, 59,089,950.11 and 23,240,417.78

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Solution

The fourth proportional to 42,819,949.78, 59,089,950.11 and 23,240,417.78 is: 32,070,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819,949.78 : 59,089,950.11 = 23,240,417.78 : x
  2. Step 2: Convert to fraction form
    42,819,949.78/59,089,950.11 = 23,240,417.78/x
  3. Step 3: Cross multiply
    42,819,949.78x = 59,089,950.11 × 23,240,417.78
  4. Step 4: Simplify right side
    42,819,949.78x = 1,373,275,127,155,757
  5. Step 5: Solve for x
    x = 1,373,275,127,155,757/42,819,949.78
  6. Step 6: Final answer
    x = 32,070,918.68

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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.