Home / 90,816,586,122.24-124,416,644,600.48-87,421,152,798.72

Finding the Fourth Proportional to 90,816,586,122.24, 124,416,644,600.48 and 87,421,152,798.72

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Solution

The fourth proportional to 90,816,586,122.24, 124,416,644,600.48 and 87,421,152,798.72 is: 119,764,978,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816,586,122.24 : 124,416,644,600.48 = 87,421,152,798.72 : x
  2. Step 2: Convert to fraction form
    90,816,586,122.24/124,416,644,600.48 = 87,421,152,798.72/x
  3. Step 3: Cross multiply
    90,816,586,122.24x = 124,416,644,600.48 × 87,421,152,798.72
  4. Step 4: Simplify right side
    90,816,586,122.24x = 10,876,646,498,322,603,835,392
  5. Step 5: Solve for x
    x = 10,876,646,498,322,603,835,392/90,816,586,122.24
  6. Step 6: Final answer
    x = 119,764,978,653.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.