Home / 141,780,952,298.57-195,658,303,661.55-76,675,379,589.72

Finding the Fourth Proportional to 141,780,952,298.57, 195,658,303,661.55 and 76,675,379,589.72

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Solution

The fourth proportional to 141,780,952,298.57, 195,658,303,661.55 and 76,675,379,589.72 is: 105,812,342,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,952,298.57 : 195,658,303,661.55 = 76,675,379,589.72 : x
  2. Step 2: Convert to fraction form
    141,780,952,298.57/195,658,303,661.55 = 76,675,379,589.72/x
  3. Step 3: Cross multiply
    141,780,952,298.57x = 195,658,303,661.55 × 76,675,379,589.72
  4. Step 4: Simplify right side
    141,780,952,298.57x = 15,002,174,703,130,048,987,136
  5. Step 5: Solve for x
    x = 15,002,174,703,130,048,987,136/141,780,952,298.57
  6. Step 6: Final answer
    x = 105,812,342,630.75

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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.