Home / 65,074,176,152.80-97,611,264,229.20-18,539,407,103.20

Finding the Fourth Proportional to 65,074,176,152.80, 97,611,264,229.20 and 18,539,407,103.20

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Solution

The fourth proportional to 65,074,176,152.80, 97,611,264,229.20 and 18,539,407,103.20 is: 27,809,110,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,074,176,152.80 : 97,611,264,229.20 = 18,539,407,103.20 : x
  2. Step 2: Convert to fraction form
    65,074,176,152.80/97,611,264,229.20 = 18,539,407,103.20/x
  3. Step 3: Cross multiply
    65,074,176,152.80x = 97,611,264,229.20 × 18,539,407,103.20
  4. Step 4: Simplify right side
    65,074,176,152.80x = 1,809,654,965,403,162,509,312
  5. Step 5: Solve for x
    x = 1,809,654,965,403,162,509,312/65,074,176,152.80
  6. Step 6: Final answer
    x = 27,809,110,654.80

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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.