Home / 81,242,361.68-112,114,459.12-46,435,799.46

Finding the Fourth Proportional to 81,242,361.68, 112,114,459.12 and 46,435,799.46

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Solution

The fourth proportional to 81,242,361.68, 112,114,459.12 and 46,435,799.46 is: 64,081,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,361.68 : 112,114,459.12 = 46,435,799.46 : x
  2. Step 2: Convert to fraction form
    81,242,361.68/112,114,459.12 = 46,435,799.46/x
  3. Step 3: Cross multiply
    81,242,361.68x = 112,114,459.12 × 46,435,799.46
  4. Step 4: Simplify right side
    81,242,361.68x = 5,206,124,540,262,688
  5. Step 5: Solve for x
    x = 5,206,124,540,262,688/81,242,361.68
  6. Step 6: Final answer
    x = 64,081,403.26

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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.