Home / 173,878,325.40-260,817,488.10-130,512,739.80

Finding the Fourth Proportional to 173,878,325.40, 260,817,488.10 and 130,512,739.80

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Solution

The fourth proportional to 173,878,325.40, 260,817,488.10 and 130,512,739.80 is: 195,769,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878,325.40 : 260,817,488.10 = 130,512,739.80 : x
  2. Step 2: Convert to fraction form
    173,878,325.40/260,817,488.10 = 130,512,739.80/x
  3. Step 3: Cross multiply
    173,878,325.40x = 260,817,488.10 × 130,512,739.80
  4. Step 4: Simplify right side
    173,878,325.40x = 34,040,004,959,684,896
  5. Step 5: Solve for x
    x = 34,040,004,959,684,896/173,878,325.40
  6. Step 6: Final answer
    x = 195,769,109.70

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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.