Home / 90,987,148,093.02-136,499,336,484.12-31,288,057,169.42

Finding the Fourth Proportional to 90,987,148,093.02, 136,499,336,484.12 and 31,288,057,169.42

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Solution

The fourth proportional to 90,987,148,093.02, 136,499,336,484.12 and 31,288,057,169.42 is: 46,938,486,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987,148,093.02 : 136,499,336,484.12 = 31,288,057,169.42 : x
  2. Step 2: Convert to fraction form
    90,987,148,093.02/136,499,336,484.12 = 31,288,057,169.42/x
  3. Step 3: Cross multiply
    90,987,148,093.02x = 136,499,336,484.12 × 31,288,057,169.42
  4. Step 4: Simplify right side
    90,987,148,093.02x = 4,270,799,043,502,361,018,368
  5. Step 5: Solve for x
    x = 4,270,799,043,502,361,018,368/90,987,148,093.02
  6. Step 6: Final answer
    x = 46,938,486,731.51

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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.