Home / 65,886,100.51-98,828,653.16-19,827,771.25

Finding the Fourth Proportional to 65,886,100.51, 98,828,653.16 and 19,827,771.25

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Solution

The fourth proportional to 65,886,100.51, 98,828,653.16 and 19,827,771.25 is: 29,741,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,886,100.51 : 98,828,653.16 = 19,827,771.25 : x
  2. Step 2: Convert to fraction form
    65,886,100.51/98,828,653.16 = 19,827,771.25/x
  3. Step 3: Cross multiply
    65,886,100.51x = 98,828,653.16 × 19,827,771.25
  4. Step 4: Simplify right side
    65,886,100.51x = 1,959,551,927,702,930.75
  5. Step 5: Solve for x
    x = 1,959,551,927,702,930.75/65,886,100.51
  6. Step 6: Final answer
    x = 29,741,507.12

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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.