Home / 113,716,172.16-156,927,728.16-61,505,153.28

Finding the Fourth Proportional to 113,716,172.16, 156,927,728.16 and 61,505,153.28

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Solution

The fourth proportional to 113,716,172.16, 156,927,728.16 and 61,505,153.28 is: 84,876,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,716,172.16 : 156,927,728.16 = 61,505,153.28 : x
  2. Step 2: Convert to fraction form
    113,716,172.16/156,927,728.16 = 61,505,153.28/x
  3. Step 3: Cross multiply
    113,716,172.16x = 156,927,728.16 × 61,505,153.28
  4. Step 4: Simplify right side
    113,716,172.16x = 9,651,863,974,362,972
  5. Step 5: Solve for x
    x = 9,651,863,974,362,972/113,716,172.16
  6. Step 6: Final answer
    x = 84,876,792.73

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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.