Home / 117,778,224.80-162,539,314.46-65,570,576.32

Finding the Fourth Proportional to 117,778,224.80, 162,539,314.46 and 65,570,576.32

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Solution

The fourth proportional to 117,778,224.80, 162,539,314.46 and 65,570,576.32 is: 90,490,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,778,224.80 : 162,539,314.46 = 65,570,576.32 : x
  2. Step 2: Convert to fraction form
    117,778,224.80/162,539,314.46 = 65,570,576.32/x
  3. Step 3: Cross multiply
    117,778,224.80x = 162,539,314.46 × 65,570,576.32
  4. Step 4: Simplify right side
    117,778,224.80x = 10,657,796,523,799,910
  5. Step 5: Solve for x
    x = 10,657,796,523,799,910/117,778,224.80
  6. Step 6: Final answer
    x = 90,490,381.75

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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.