Home / 86,650,948,125.54-129,985,328,424.55-29,990,718,634.59

Finding the Fourth Proportional to 86,650,948,125.54, 129,985,328,424.55 and 29,990,718,634.59

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Solution

The fourth proportional to 86,650,948,125.54, 129,985,328,424.55 and 29,990,718,634.59 is: 44,989,160,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,650,948,125.54 : 129,985,328,424.55 = 29,990,718,634.59 : x
  2. Step 2: Convert to fraction form
    86,650,948,125.54/129,985,328,424.55 = 29,990,718,634.59/x
  3. Step 3: Cross multiply
    86,650,948,125.54x = 129,985,328,424.55 × 29,990,718,634.59
  4. Step 4: Simplify right side
    86,650,948,125.54x = 3,898,353,411,405,452,935,168
  5. Step 5: Solve for x
    x = 3,898,353,411,405,452,935,168/86,650,948,125.54
  6. Step 6: Final answer
    x = 44,989,160,485.09

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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.