Home / 57,768,101.60-86,631,157.20-19,430,866.40

Finding the Fourth Proportional to 57,768,101.60, 86,631,157.20 and 19,430,866.40

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Solution

The fourth proportional to 57,768,101.60, 86,631,157.20 and 19,430,866.40 is: 29,139,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,101.60 : 86,631,157.20 = 19,430,866.40 : x
  2. Step 2: Convert to fraction form
    57,768,101.60/86,631,157.20 = 19,430,866.40/x
  3. Step 3: Cross multiply
    57,768,101.60x = 86,631,157.20 × 19,430,866.40
  4. Step 4: Simplify right side
    57,768,101.60x = 1,683,318,441,630,598
  5. Step 5: Solve for x
    x = 1,683,318,441,630,598/57,768,101.60
  6. Step 6: Final answer
    x = 29,139,237.66

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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.