Home / 120,418,276,856.24-180,588,745,274.62-39,725,841,395.72

Finding the Fourth Proportional to 120,418,276,856.24, 180,588,745,274.62 and 39,725,841,395.72

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Solution

The fourth proportional to 120,418,276,856.24, 180,588,745,274.62 and 39,725,841,395.72 is: 59,576,004,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,418,276,856.24 : 180,588,745,274.62 = 39,725,841,395.72 : x
  2. Step 2: Convert to fraction form
    120,418,276,856.24/180,588,745,274.62 = 39,725,841,395.72/x
  3. Step 3: Cross multiply
    120,418,276,856.24x = 180,588,745,274.62 × 39,725,841,395.72
  4. Step 4: Simplify right side
    120,418,276,856.24x = 7,174,039,852,630,730,080,256
  5. Step 5: Solve for x
    x = 7,174,039,852,630,730,080,256/120,418,276,856.24
  6. Step 6: Final answer
    x = 59,576,004,904.93

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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.