Home / 120,358,018,249.80-180,586,515,216.15-53,169,803,292.12

Finding the Fourth Proportional to 120,358,018,249.80, 180,586,515,216.15 and 53,169,803,292.12

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Solution

The fourth proportional to 120,358,018,249.80, 180,586,515,216.15 and 53,169,803,292.12 is: 79,776,566,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,358,018,249.80 : 180,586,515,216.15 = 53,169,803,292.12 : x
  2. Step 2: Convert to fraction form
    120,358,018,249.80/180,586,515,216.15 = 53,169,803,292.12/x
  3. Step 3: Cross multiply
    120,358,018,249.80x = 180,586,515,216.15 × 53,169,803,292.12
  4. Step 4: Simplify right side
    120,358,018,249.80x = 9,601,749,491,252,130,217,984
  5. Step 5: Solve for x
    x = 9,601,749,491,252,130,217,984/120,358,018,249.80
  6. Step 6: Final answer
    x = 79,776,566,870.05

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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.