Home / 66,126,771,179.91-91,252,315,791.90-39,038,771,332.71

Finding the Fourth Proportional to 66,126,771,179.91, 91,252,315,791.90 and 39,038,771,332.71

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Solution

The fourth proportional to 66,126,771,179.91, 91,252,315,791.90 and 39,038,771,332.71 is: 53,871,952,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126,771,179.91 : 91,252,315,791.90 = 39,038,771,332.71 : x
  2. Step 2: Convert to fraction form
    66,126,771,179.91/91,252,315,791.90 = 39,038,771,332.71/x
  3. Step 3: Cross multiply
    66,126,771,179.91x = 91,252,315,791.90 × 39,038,771,332.71
  4. Step 4: Simplify right side
    66,126,771,179.91x = 3,562,378,289,780,225,474,560
  5. Step 5: Solve for x
    x = 3,562,378,289,780,225,474,560/66,126,771,179.91
  6. Step 6: Final answer
    x = 53,871,952,708.66

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1.5x scale

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.