Home / 57,768,145.10-86,631,222.45-19,430,909.90

Finding the Fourth Proportional to 57,768,145.10, 86,631,222.45 and 19,430,909.90

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Solution

The fourth proportional to 57,768,145.10, 86,631,222.45 and 19,430,909.90 is: 29,139,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,145.10 : 86,631,222.45 = 19,430,909.90 : x
  2. Step 2: Convert to fraction form
    57,768,145.10/86,631,222.45 = 19,430,909.90/x
  3. Step 3: Cross multiply
    57,768,145.10x = 86,631,222.45 × 19,430,909.90
  4. Step 4: Simplify right side
    57,768,145.10x = 1,683,323,477,952,807.25
  5. Step 5: Solve for x
    x = 1,683,323,477,952,807.25/57,768,145.10
  6. Step 6: Final answer
    x = 29,139,302.90

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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.