Home / 137,214,004.80-205,632,050.40-91,024,564.80

Finding the Fourth Proportional to 137,214,004.80, 205,632,050.40 and 91,024,564.80

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Solution

The fourth proportional to 137,214,004.80, 205,632,050.40 and 91,024,564.80 is: 136,411,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,214,004.80 : 205,632,050.40 = 91,024,564.80 : x
  2. Step 2: Convert to fraction form
    137,214,004.80/205,632,050.40 = 91,024,564.80/x
  3. Step 3: Cross multiply
    137,214,004.80x = 205,632,050.40 × 91,024,564.80
  4. Step 4: Simplify right side
    137,214,004.80x = 18,717,567,896,591,664
  5. Step 5: Solve for x
    x = 18,717,567,896,591,664/137,214,004.80
  6. Step 6: Final answer
    x = 136,411,497.67

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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.