Home / 129,912,329.99-194,827,701.06-42,453,904.14

Finding the Fourth Proportional to 129,912,329.99, 194,827,701.06 and 42,453,904.14

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Solution

The fourth proportional to 129,912,329.99, 194,827,701.06 and 42,453,904.14 is: 63,667,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,912,329.99 : 194,827,701.06 = 42,453,904.14 : x
  2. Step 2: Convert to fraction form
    129,912,329.99/194,827,701.06 = 42,453,904.14/x
  3. Step 3: Cross multiply
    129,912,329.99x = 194,827,701.06 × 42,453,904.14
  4. Step 4: Simplify right side
    129,912,329.99x = 8,271,196,544,617,817
  5. Step 5: Solve for x
    x = 8,271,196,544,617,817/129,912,329.99
  6. Step 6: Final answer
    x = 63,667,525.21

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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.