Home / 105,674,556.80-145,831,944.70-59,263,814.28

Finding the Fourth Proportional to 105,674,556.80, 145,831,944.70 and 59,263,814.28

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Solution

The fourth proportional to 105,674,556.80, 145,831,944.70 and 59,263,814.28 is: 81,784,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674,556.80 : 145,831,944.70 = 59,263,814.28 : x
  2. Step 2: Convert to fraction form
    105,674,556.80/145,831,944.70 = 59,263,814.28/x
  3. Step 3: Cross multiply
    105,674,556.80x = 145,831,944.70 × 59,263,814.28
  4. Step 4: Simplify right side
    105,674,556.80x = 8,642,557,286,792,030
  5. Step 5: Solve for x
    x = 8,642,557,286,792,030/105,674,556.80
  6. Step 6: Final answer
    x = 81,784,656.10

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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.