Home / 130,339,905.40-195,509,858.10-39,468,014.20

Finding the Fourth Proportional to 130,339,905.40, 195,509,858.10 and 39,468,014.20

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Solution

The fourth proportional to 130,339,905.40, 195,509,858.10 and 39,468,014.20 is: 59,202,021.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339,905.40 : 195,509,858.10 = 39,468,014.20 : x
  2. Step 2: Convert to fraction form
    130,339,905.40/195,509,858.10 = 39,468,014.20/x
  3. Step 3: Cross multiply
    130,339,905.40x = 195,509,858.10 × 39,468,014.20
  4. Step 4: Simplify right side
    130,339,905.40x = 7,716,385,855,730,785
  5. Step 5: Solve for x
    x = 7,716,385,855,730,785/130,339,905.40
  6. Step 6: Final answer
    x = 59,202,021.30

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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.