Home / 73,087,994.52-100,861,456.80-40,047,975.40

Finding the Fourth Proportional to 73,087,994.52, 100,861,456.80 and 40,047,975.40

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Solution

The fourth proportional to 73,087,994.52, 100,861,456.80 and 40,047,975.40 is: 55,266,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,087,994.52 : 100,861,456.80 = 40,047,975.40 : x
  2. Step 2: Convert to fraction form
    73,087,994.52/100,861,456.80 = 40,047,975.40/x
  3. Step 3: Cross multiply
    73,087,994.52x = 100,861,456.80 × 40,047,975.40
  4. Step 4: Simplify right side
    73,087,994.52x = 4,039,297,140,483,598.50
  5. Step 5: Solve for x
    x = 4,039,297,140,483,598.50/73,087,994.52
  6. Step 6: Final answer
    x = 55,266,219.40

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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.