Home / 81,869,420.07-112,989,706.74-46,595,801.45

Finding the Fourth Proportional to 81,869,420.07, 112,989,706.74 and 46,595,801.45

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Solution

The fourth proportional to 81,869,420.07, 112,989,706.74 and 46,595,801.45 is: 64,307,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,420.07 : 112,989,706.74 = 46,595,801.45 : x
  2. Step 2: Convert to fraction form
    81,869,420.07/112,989,706.74 = 46,595,801.45/x
  3. Step 3: Cross multiply
    81,869,420.07x = 112,989,706.74 × 46,595,801.45
  4. Step 4: Simplify right side
    81,869,420.07x = 5,264,845,940,585,818
  5. Step 5: Solve for x
    x = 5,264,845,940,585,818/81,869,420.07
  6. Step 6: Final answer
    x = 64,307,844.57

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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.