Home / 81,869,410.52-112,989,693.84-46,595,792.36

Finding the Fourth Proportional to 81,869,410.52, 112,989,693.84 and 46,595,792.36

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Solution

The fourth proportional to 81,869,410.52, 112,989,693.84 and 46,595,792.36 is: 64,307,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,410.52 : 112,989,693.84 = 46,595,792.36 : x
  2. Step 2: Convert to fraction form
    81,869,410.52/112,989,693.84 = 46,595,792.36/x
  3. Step 3: Cross multiply
    81,869,410.52x = 112,989,693.84 × 46,595,792.36
  4. Step 4: Simplify right side
    81,869,410.52x = 5,264,844,312,988,611
  5. Step 5: Solve for x
    x = 5,264,844,312,988,611/81,869,410.52
  6. Step 6: Final answer
    x = 64,307,832.19

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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.