Home / 49,421,931.18-74,133,334.17-20,291,791.02

Finding the Fourth Proportional to 49,421,931.18, 74,133,334.17 and 20,291,791.02

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Solution

The fourth proportional to 49,421,931.18, 74,133,334.17 and 20,291,791.02 is: 30,437,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421,931.18 : 74,133,334.17 = 20,291,791.02 : x
  2. Step 2: Convert to fraction form
    49,421,931.18/74,133,334.17 = 20,291,791.02/x
  3. Step 3: Cross multiply
    49,421,931.18x = 74,133,334.17 × 20,291,791.02
  4. Step 4: Simplify right side
    49,421,931.18x = 1,504,298,124,593,465.25
  5. Step 5: Solve for x
    x = 1,504,298,124,593,465.25/49,421,931.18
  6. Step 6: Final answer
    x = 30,437,866.12

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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.