Home / 43,092,542.09-64,638,387.16-19,742,661.72

Finding the Fourth Proportional to 43,092,542.09, 64,638,387.16 and 19,742,661.72

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Solution

The fourth proportional to 43,092,542.09, 64,638,387.16 and 19,742,661.72 is: 29,613,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092,542.09 : 64,638,387.16 = 19,742,661.72 : x
  2. Step 2: Convert to fraction form
    43,092,542.09/64,638,387.16 = 19,742,661.72/x
  3. Step 3: Cross multiply
    43,092,542.09x = 64,638,387.16 × 19,742,661.72
  4. Step 4: Simplify right side
    43,092,542.09x = 1,276,133,811,776,914.75
  5. Step 5: Solve for x
    x = 1,276,133,811,776,914.75/43,092,542.09
  6. Step 6: Final answer
    x = 29,613,797.42

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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.