Home / 118,883,513.20-164,077,180.80-72,500,673.20

Finding the Fourth Proportional to 118,883,513.20, 164,077,180.80 and 72,500,673.20

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Solution

The fourth proportional to 118,883,513.20, 164,077,180.80 and 72,500,673.20 is: 100,061,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,513.20 : 164,077,180.80 = 72,500,673.20 : x
  2. Step 2: Convert to fraction form
    118,883,513.20/164,077,180.80 = 72,500,673.20/x
  3. Step 3: Cross multiply
    118,883,513.20x = 164,077,180.80 × 72,500,673.20
  4. Step 4: Simplify right side
    118,883,513.20x = 11,895,706,064,758,116
  5. Step 5: Solve for x
    x = 11,895,706,064,758,116/118,883,513.20
  6. Step 6: Final answer
    x = 100,061,865.14

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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.