Home / 118,883,508.21-164,077,173.90-72,500,668.20

Finding the Fourth Proportional to 118,883,508.21, 164,077,173.90 and 72,500,668.20

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Solution

The fourth proportional to 118,883,508.21, 164,077,173.90 and 72,500,668.20 is: 100,061,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,508.21 : 164,077,173.90 = 72,500,668.20 : x
  2. Step 2: Convert to fraction form
    118,883,508.21/164,077,173.90 = 72,500,668.20/x
  3. Step 3: Cross multiply
    118,883,508.21x = 164,077,173.90 × 72,500,668.20
  4. Step 4: Simplify right side
    118,883,508.21x = 11,895,704,744,117,600
  5. Step 5: Solve for x
    x = 11,895,704,744,117,600/118,883,508.21
  6. Step 6: Final answer
    x = 100,061,858.23

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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.