Home / 120,973,500.30-181,460,250.45-40,194,468.30

Finding the Fourth Proportional to 120,973,500.30, 181,460,250.45 and 40,194,468.30

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Solution

The fourth proportional to 120,973,500.30, 181,460,250.45 and 40,194,468.30 is: 60,291,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973,500.30 : 181,460,250.45 = 40,194,468.30 : x
  2. Step 2: Convert to fraction form
    120,973,500.30/181,460,250.45 = 40,194,468.30/x
  3. Step 3: Cross multiply
    120,973,500.30x = 181,460,250.45 × 40,194,468.30
  4. Step 4: Simplify right side
    120,973,500.30x = 7,293,698,284,422,585
  5. Step 5: Solve for x
    x = 7,293,698,284,422,585/120,973,500.30
  6. Step 6: Final answer
    x = 60,291,702.45

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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.