Home / 76,643,136.60-114,964,704.90-49,433,357.40

Finding the Fourth Proportional to 76,643,136.60, 114,964,704.90 and 49,433,357.40

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Solution

The fourth proportional to 76,643,136.60, 114,964,704.90 and 49,433,357.40 is: 74,150,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,643,136.60 : 114,964,704.90 = 49,433,357.40 : x
  2. Step 2: Convert to fraction form
    76,643,136.60/114,964,704.90 = 49,433,357.40/x
  3. Step 3: Cross multiply
    76,643,136.60x = 114,964,704.90 × 49,433,357.40
  4. Step 4: Simplify right side
    76,643,136.60x = 5,683,091,345,707,231
  5. Step 5: Solve for x
    x = 5,683,091,345,707,231/76,643,136.60
  6. Step 6: Final answer
    x = 74,150,036.10

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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.