Home / 118,575,786.80-163,639,699.92-65,652,494

Finding the Fourth Proportional to 118,575,786.80, 163,639,699.92 and 65,652,494

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Solution

The fourth proportional to 118,575,786.80, 163,639,699.92 and 65,652,494 is: 90,603,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,575,786.80 : 163,639,699.92 = 65,652,494 : x
  2. Step 2: Convert to fraction form
    118,575,786.80/163,639,699.92 = 65,652,494/x
  3. Step 3: Cross multiply
    118,575,786.80x = 163,639,699.92 × 65,652,494
  4. Step 4: Simplify right side
    118,575,786.80x = 10,743,354,417,159,600
  5. Step 5: Solve for x
    x = 10,743,354,417,159,600/118,575,786.80
  6. Step 6: Final answer
    x = 90,603,273.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.