Home / 78,022,182,019.85-117,033,273,029.77-78,022,182,019.85

Finding the Fourth Proportional to 78,022,182,019.85, 117,033,273,029.77 and 78,022,182,019.85

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Solution

The fourth proportional to 78,022,182,019.85, 117,033,273,029.77 and 78,022,182,019.85 is: 117,033,273,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,022,182,019.85 : 117,033,273,029.77 = 78,022,182,019.85 : x
  2. Step 2: Convert to fraction form
    78,022,182,019.85/117,033,273,029.77 = 78,022,182,019.85/x
  3. Step 3: Cross multiply
    78,022,182,019.85x = 117,033,273,029.77 × 78,022,182,019.85
  4. Step 4: Simplify right side
    78,022,182,019.85x = 9,131,191,330,707,517,472,768
  5. Step 5: Solve for x
    x = 9,131,191,330,707,517,472,768/78,022,182,019.85
  6. Step 6: Final answer
    x = 117,033,273,029.77

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1.5x scale

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.