Home / 51,683,069.04-77,556,925.80-20,977,647.36

Finding the Fourth Proportional to 51,683,069.04, 77,556,925.80 and 20,977,647.36

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Solution

The fourth proportional to 51,683,069.04, 77,556,925.80 and 20,977,647.36 is: 31,479,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,683,069.04 : 77,556,925.80 = 20,977,647.36 : x
  2. Step 2: Convert to fraction form
    51,683,069.04/77,556,925.80 = 20,977,647.36/x
  3. Step 3: Cross multiply
    51,683,069.04x = 77,556,925.80 × 20,977,647.36
  4. Step 4: Simplify right side
    51,683,069.04x = 1,626,961,839,758,085.75
  5. Step 5: Solve for x
    x = 1,626,961,839,758,085.75/51,683,069.04
  6. Step 6: Final answer
    x = 31,479,590.32

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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.