Home / 260,566,820.40-390,850,230.60-132,899,415.60

Finding the Fourth Proportional to 260,566,820.40, 390,850,230.60 and 132,899,415.60

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Solution

The fourth proportional to 260,566,820.40, 390,850,230.60 and 132,899,415.60 is: 199,349,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,566,820.40 : 390,850,230.60 = 132,899,415.60 : x
  2. Step 2: Convert to fraction form
    260,566,820.40/390,850,230.60 = 132,899,415.60/x
  3. Step 3: Cross multiply
    260,566,820.40x = 390,850,230.60 × 132,899,415.60
  4. Step 4: Simplify right side
    260,566,820.40x = 51,943,767,233,865,240
  5. Step 5: Solve for x
    x = 51,943,767,233,865,240/260,566,820.40
  6. Step 6: Final answer
    x = 199,349,123.40

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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.