Home / 118,883,877.90-164,060,939.86-66,671,792.57

Finding the Fourth Proportional to 118,883,877.90, 164,060,939.86 and 66,671,792.57

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Solution

The fourth proportional to 118,883,877.90, 164,060,939.86 and 66,671,792.57 is: 92,007,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,883,877.90 : 164,060,939.86 = 66,671,792.57 : x
  2. Step 2: Convert to fraction form
    118,883,877.90/164,060,939.86 = 66,671,792.57/x
  3. Step 3: Cross multiply
    118,883,877.90x = 164,060,939.86 × 66,671,792.57
  4. Step 4: Simplify right side
    118,883,877.90x = 10,938,236,950,198,180
  5. Step 5: Solve for x
    x = 10,938,236,950,198,180/118,883,877.90
  6. Step 6: Final answer
    x = 92,007,740.19

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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.