Home / 201,516,209-301,959,385.49-140,225,118.47

Finding the Fourth Proportional to 201,516,209, 301,959,385.49 and 140,225,118.47

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Solution

The fourth proportional to 201,516,209, 301,959,385.49 and 140,225,118.47 is: 210,118,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,516,209 : 301,959,385.49 = 140,225,118.47 : x
  2. Step 2: Convert to fraction form
    201,516,209/301,959,385.49 = 140,225,118.47/x
  3. Step 3: Cross multiply
    201,516,209x = 301,959,385.49 × 140,225,118.47
  4. Step 4: Simplify right side
    201,516,209x = 42,342,290,603,463,648
  5. Step 5: Solve for x
    x = 42,342,290,603,463,648/201,516,209
  6. Step 6: Final answer
    x = 210,118,534.95

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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.