Home / 57,111,349-85,634,829.42-18,762,566.92

Finding the Fourth Proportional to 57,111,349, 85,634,829.42 and 18,762,566.92

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Solution

The fourth proportional to 57,111,349, 85,634,829.42 and 18,762,566.92 is: 28,133,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111,349 : 85,634,829.42 = 18,762,566.92 : x
  2. Step 2: Convert to fraction form
    57,111,349/85,634,829.42 = 18,762,566.92/x
  3. Step 3: Cross multiply
    57,111,349x = 85,634,829.42 × 18,762,566.92
  4. Step 4: Simplify right side
    57,111,349x = 1,606,729,217,675,535
  5. Step 5: Solve for x
    x = 1,606,729,217,675,535/57,111,349
  6. Step 6: Final answer
    x = 28,133,273.79

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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.