Home / 140,808,975.58-194,328,368.67-78,941,271.52

Finding the Fourth Proportional to 140,808,975.58, 194,328,368.67 and 78,941,271.52

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Solution

The fourth proportional to 140,808,975.58, 194,328,368.67 and 78,941,271.52 is: 108,945,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,808,975.58 : 194,328,368.67 = 78,941,271.52 : x
  2. Step 2: Convert to fraction form
    140,808,975.58/194,328,368.67 = 78,941,271.52/x
  3. Step 3: Cross multiply
    140,808,975.58x = 194,328,368.67 × 78,941,271.52
  4. Step 4: Simplify right side
    140,808,975.58x = 15,340,528,515,217,130
  5. Step 5: Solve for x
    x = 15,340,528,515,217,130/140,808,975.58
  6. Step 6: Final answer
    x = 108,945,672.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.