Home / 199,341,523.20-299,012,284.80-122,415,110.40

Finding the Fourth Proportional to 199,341,523.20, 299,012,284.80 and 122,415,110.40

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Solution

The fourth proportional to 199,341,523.20, 299,012,284.80 and 122,415,110.40 is: 183,622,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,341,523.20 : 299,012,284.80 = 122,415,110.40 : x
  2. Step 2: Convert to fraction form
    199,341,523.20/299,012,284.80 = 122,415,110.40/x
  3. Step 3: Cross multiply
    199,341,523.20x = 299,012,284.80 × 122,415,110.40
  4. Step 4: Simplify right side
    199,341,523.20x = 36,603,621,854,748,248
  5. Step 5: Solve for x
    x = 36,603,621,854,748,248/199,341,523.20
  6. Step 6: Final answer
    x = 183,622,665.60

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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.