Home / 57,798,672.72-86,637,319.20-19,446,872.16

Finding the Fourth Proportional to 57,798,672.72, 86,637,319.20 and 19,446,872.16

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Solution

The fourth proportional to 57,798,672.72, 86,637,319.20 and 19,446,872.16 is: 29,149,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798,672.72 : 86,637,319.20 = 19,446,872.16 : x
  2. Step 2: Convert to fraction form
    57,798,672.72/86,637,319.20 = 19,446,872.16/x
  3. Step 3: Cross multiply
    57,798,672.72x = 86,637,319.20 × 19,446,872.16
  4. Step 4: Simplify right side
    57,798,672.72x = 1,684,824,870,767,513.50
  5. Step 5: Solve for x
    x = 1,684,824,870,767,513.50/57,798,672.72
  6. Step 6: Final answer
    x = 29,149,888.60

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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.