Home / 69,507,399.88-95,920,212.05-38,572,547.32

Finding the Fourth Proportional to 69,507,399.88, 95,920,212.05 and 38,572,547.32

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Solution

The fourth proportional to 69,507,399.88, 95,920,212.05 and 38,572,547.32 is: 53,230,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,507,399.88 : 95,920,212.05 = 38,572,547.32 : x
  2. Step 2: Convert to fraction form
    69,507,399.88/95,920,212.05 = 38,572,547.32/x
  3. Step 3: Cross multiply
    69,507,399.88x = 95,920,212.05 × 38,572,547.32
  4. Step 4: Simplify right side
    69,507,399.88x = 3,699,886,918,314,743.50
  5. Step 5: Solve for x
    x = 3,699,886,918,314,743.50/69,507,399.88
  6. Step 6: Final answer
    x = 53,230,115.42

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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.