Home / 57,958,850.80-86,938,276.20-53,579,407.60

Finding the Fourth Proportional to 57,958,850.80, 86,938,276.20 and 53,579,407.60

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Solution

The fourth proportional to 57,958,850.80, 86,938,276.20 and 53,579,407.60 is: 80,369,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958,850.80 : 86,938,276.20 = 53,579,407.60 : x
  2. Step 2: Convert to fraction form
    57,958,850.80/86,938,276.20 = 53,579,407.60/x
  3. Step 3: Cross multiply
    57,958,850.80x = 86,938,276.20 × 53,579,407.60
  4. Step 4: Simplify right side
    57,958,850.80x = 4,658,101,336,561,179
  5. Step 5: Solve for x
    x = 4,658,101,336,561,179/57,958,850.80
  6. Step 6: Final answer
    x = 80,369,111.40

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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.