Home / 118,098,603.20-177,147,904.80-81,748,038.80

Finding the Fourth Proportional to 118,098,603.20, 177,147,904.80 and 81,748,038.80

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Solution

The fourth proportional to 118,098,603.20, 177,147,904.80 and 81,748,038.80 is: 122,622,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,603.20 : 177,147,904.80 = 81,748,038.80 : x
  2. Step 2: Convert to fraction form
    118,098,603.20/177,147,904.80 = 81,748,038.80/x
  3. Step 3: Cross multiply
    118,098,603.20x = 177,147,904.80 × 81,748,038.80
  4. Step 4: Simplify right side
    118,098,603.20x = 14,481,493,794,929,106
  5. Step 5: Solve for x
    x = 14,481,493,794,929,106/118,098,603.20
  6. Step 6: Final answer
    x = 122,622,058.20

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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.