Home / 130,283,325.20-195,424,987.80-66,449,622.80

Finding the Fourth Proportional to 130,283,325.20, 195,424,987.80 and 66,449,622.80

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Solution

The fourth proportional to 130,283,325.20, 195,424,987.80 and 66,449,622.80 is: 99,674,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283,325.20 : 195,424,987.80 = 66,449,622.80 : x
  2. Step 2: Convert to fraction form
    130,283,325.20/195,424,987.80 = 66,449,622.80/x
  3. Step 3: Cross multiply
    130,283,325.20x = 195,424,987.80 × 66,449,622.80
  4. Step 4: Simplify right side
    130,283,325.20x = 12,985,916,725,004,602
  5. Step 5: Solve for x
    x = 12,985,916,725,004,602/130,283,325.20
  6. Step 6: Final answer
    x = 99,674,434.20

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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.