Home / 121,264,080.30-181,897,675.65-40,485,048.30

Finding the Fourth Proportional to 121,264,080.30, 181,897,675.65 and 40,485,048.30

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Solution

The fourth proportional to 121,264,080.30, 181,897,675.65 and 40,485,048.30 is: 60,728,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264,080.30 : 181,897,675.65 = 40,485,048.30 : x
  2. Step 2: Convert to fraction form
    121,264,080.30/181,897,675.65 = 40,485,048.30/x
  3. Step 3: Cross multiply
    121,264,080.30x = 181,897,675.65 × 40,485,048.30
  4. Step 4: Simplify right side
    121,264,080.30x = 7,364,136,184,347,984
  5. Step 5: Solve for x
    x = 7,364,136,184,347,984/121,264,080.30
  6. Step 6: Final answer
    x = 60,728,091.67

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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.