Home / 113,359,735,755.09-156,435,505,661.70-61,918,328,397.87

Finding the Fourth Proportional to 113,359,735,755.09, 156,435,505,661.70 and 61,918,328,397.87

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Solution

The fourth proportional to 113,359,735,755.09, 156,435,505,661.70 and 61,918,328,397.87 is: 85,446,785,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,359,735,755.09 : 156,435,505,661.70 = 61,918,328,397.87 : x
  2. Step 2: Convert to fraction form
    113,359,735,755.09/156,435,505,661.70 = 61,918,328,397.87/x
  3. Step 3: Cross multiply
    113,359,735,755.09x = 156,435,505,661.70 × 61,918,328,397.87
  4. Step 4: Simplify right side
    113,359,735,755.09x = 9,686,225,012,647,994,064,896
  5. Step 5: Solve for x
    x = 9,686,225,012,647,994,064,896/113,359,735,755.09
  6. Step 6: Final answer
    x = 85,446,785,387.49

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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.