Home / 118,575,773.83-163,639,681.95-65,652,481.05

Finding the Fourth Proportional to 118,575,773.83, 163,639,681.95 and 65,652,481.05

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Solution

The fourth proportional to 118,575,773.83, 163,639,681.95 and 65,652,481.05 is: 90,603,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,575,773.83 : 163,639,681.95 = 65,652,481.05 : x
  2. Step 2: Convert to fraction form
    118,575,773.83/163,639,681.95 = 65,652,481.05/x
  3. Step 3: Cross multiply
    118,575,773.83x = 163,639,681.95 × 65,652,481.05
  4. Step 4: Simplify right side
    118,575,773.83x = 10,743,351,118,250,400
  5. Step 5: Solve for x
    x = 10,743,351,118,250,400/118,575,773.83
  6. Step 6: Final answer
    x = 90,603,255.38

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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.