Home / 74,819,036,523.94-103,249,447,857.75-40,523,889,942.16

Finding the Fourth Proportional to 74,819,036,523.94, 103,249,447,857.75 and 40,523,889,942.16

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Solution

The fourth proportional to 74,819,036,523.94, 103,249,447,857.75 and 40,523,889,942.16 is: 55,922,522,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819,036,523.94 : 103,249,447,857.75 = 40,523,889,942.16 : x
  2. Step 2: Convert to fraction form
    74,819,036,523.94/103,249,447,857.75 = 40,523,889,942.16/x
  3. Step 3: Cross multiply
    74,819,036,523.94x = 103,249,447,857.75 × 40,523,889,942.16
  4. Step 4: Simplify right side
    74,819,036,523.94x = 4,184,069,261,576,041,922,560
  5. Step 5: Solve for x
    x = 4,184,069,261,576,041,922,560/74,819,036,523.94
  6. Step 6: Final answer
    x = 55,922,522,608.77

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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.