Home / 120,880,271.60-181,320,407.40-102,173,548.40

Finding the Fourth Proportional to 120,880,271.60, 181,320,407.40 and 102,173,548.40

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Solution

The fourth proportional to 120,880,271.60, 181,320,407.40 and 102,173,548.40 is: 153,260,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,880,271.60 : 181,320,407.40 = 102,173,548.40 : x
  2. Step 2: Convert to fraction form
    120,880,271.60/181,320,407.40 = 102,173,548.40/x
  3. Step 3: Cross multiply
    120,880,271.60x = 181,320,407.40 × 102,173,548.40
  4. Step 4: Simplify right side
    120,880,271.60x = 18,526,149,421,391,620
  5. Step 5: Solve for x
    x = 18,526,149,421,391,620/120,880,271.60
  6. Step 6: Final answer
    x = 153,260,322.60

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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.