Home / 57,570,801.96-86,326,861.50-19,218,533.16

Finding the Fourth Proportional to 57,570,801.96, 86,326,861.50 and 19,218,533.16

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Solution

The fourth proportional to 57,570,801.96, 86,326,861.50 and 19,218,533.16 is: 28,818,004.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,570,801.96 : 86,326,861.50 = 19,218,533.16 : x
  2. Step 2: Convert to fraction form
    57,570,801.96/86,326,861.50 = 19,218,533.16/x
  3. Step 3: Cross multiply
    57,570,801.96x = 86,326,861.50 × 19,218,533.16
  4. Step 4: Simplify right side
    57,570,801.96x = 1,659,075,650,336,477.25
  5. Step 5: Solve for x
    x = 1,659,075,650,336,477.25/57,570,801.96
  6. Step 6: Final answer
    x = 28,818,004.85

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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.