Home / 80,402,878.48-120,600,326.40-25,818,136.24

Finding the Fourth Proportional to 80,402,878.48, 120,600,326.40 and 25,818,136.24

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Solution

The fourth proportional to 80,402,878.48, 120,600,326.40 and 25,818,136.24 is: 38,725,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402,878.48 : 120,600,326.40 = 25,818,136.24 : x
  2. Step 2: Convert to fraction form
    80,402,878.48/120,600,326.40 = 25,818,136.24/x
  3. Step 3: Cross multiply
    80,402,878.48x = 120,600,326.40 × 25,818,136.24
  4. Step 4: Simplify right side
    80,402,878.48x = 3,113,675,657,583,668.50
  5. Step 5: Solve for x
    x = 3,113,675,657,583,668.50/80,402,878.48
  6. Step 6: Final answer
    x = 38,725,922.71

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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.