Home / 90,507,201.66-124,904,051.10-53,339,050.62

Finding the Fourth Proportional to 90,507,201.66, 124,904,051.10 and 53,339,050.62

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Solution

The fourth proportional to 90,507,201.66, 124,904,051.10 and 53,339,050.62 is: 73,610,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507,201.66 : 124,904,051.10 = 53,339,050.62 : x
  2. Step 2: Convert to fraction form
    90,507,201.66/124,904,051.10 = 53,339,050.62/x
  3. Step 3: Cross multiply
    90,507,201.66x = 124,904,051.10 × 53,339,050.62
  4. Step 4: Simplify right side
    90,507,201.66x = 6,662,263,504,265,966
  5. Step 5: Solve for x
    x = 6,662,263,504,265,966/90,507,201.66
  6. Step 6: Final answer
    x = 73,610,313.68

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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.