Home / 45,358,855.20-68,038,282.80-28,329,123.60

Finding the Fourth Proportional to 45,358,855.20, 68,038,282.80 and 28,329,123.60

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Solution

The fourth proportional to 45,358,855.20, 68,038,282.80 and 28,329,123.60 is: 42,493,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358,855.20 : 68,038,282.80 = 28,329,123.60 : x
  2. Step 2: Convert to fraction form
    45,358,855.20/68,038,282.80 = 28,329,123.60/x
  3. Step 3: Cross multiply
    45,358,855.20x = 68,038,282.80 × 28,329,123.60
  4. Step 4: Simplify right side
    45,358,855.20x = 1,927,464,922,972,954
  5. Step 5: Solve for x
    x = 1,927,464,922,972,954/45,358,855.20
  6. Step 6: Final answer
    x = 42,493,685.40

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Similar ratio
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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.