Home / 50,931,728.88-70,284,673.74-29,742,149.10

Finding the Fourth Proportional to 50,931,728.88, 70,284,673.74 and 29,742,149.10

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Solution

The fourth proportional to 50,931,728.88, 70,284,673.74 and 29,742,149.10 is: 41,043,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931,728.88 : 70,284,673.74 = 29,742,149.10 : x
  2. Step 2: Convert to fraction form
    50,931,728.88/70,284,673.74 = 29,742,149.10/x
  3. Step 3: Cross multiply
    50,931,728.88x = 70,284,673.74 × 29,742,149.10
  4. Step 4: Simplify right side
    50,931,728.88x = 2,090,417,245,819,934.50
  5. Step 5: Solve for x
    x = 2,090,417,245,819,934.50/50,931,728.88
  6. Step 6: Final answer
    x = 41,043,516.33

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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.