Home / 73,281,602.40-109,922,403.60-71,601,986.40

Finding the Fourth Proportional to 73,281,602.40, 109,922,403.60 and 71,601,986.40

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Solution

The fourth proportional to 73,281,602.40, 109,922,403.60 and 71,601,986.40 is: 107,402,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,281,602.40 : 109,922,403.60 = 71,601,986.40 : x
  2. Step 2: Convert to fraction form
    73,281,602.40/109,922,403.60 = 71,601,986.40/x
  3. Step 3: Cross multiply
    73,281,602.40x = 109,922,403.60 × 71,601,986.40
  4. Step 4: Simplify right side
    73,281,602.40x = 7,870,662,447,622,511
  5. Step 5: Solve for x
    x = 7,870,662,447,622,511/73,281,602.40
  6. Step 6: Final answer
    x = 107,402,979.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.