Home / 102,581,975.60-141,562,922.93-55,539,036.21

Finding the Fourth Proportional to 102,581,975.60, 141,562,922.93 and 55,539,036.21

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Solution

The fourth proportional to 102,581,975.60, 141,562,922.93 and 55,539,036.21 is: 76,643,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581,975.60 : 141,562,922.93 = 55,539,036.21 : x
  2. Step 2: Convert to fraction form
    102,581,975.60/141,562,922.93 = 55,539,036.21/x
  3. Step 3: Cross multiply
    102,581,975.60x = 141,562,922.93 × 55,539,036.21
  4. Step 4: Simplify right side
    102,581,975.60x = 7,862,268,302,325,015
  5. Step 5: Solve for x
    x = 7,862,268,302,325,015/102,581,975.60
  6. Step 6: Final answer
    x = 76,643,759.85

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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.