Home / 129,965,068.22-194,946,099.40-31,597,332.02

Finding the Fourth Proportional to 129,965,068.22, 194,946,099.40 and 31,597,332.02

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Solution

The fourth proportional to 129,965,068.22, 194,946,099.40 and 31,597,332.02 is: 47,395,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,068.22 : 194,946,099.40 = 31,597,332.02 : x
  2. Step 2: Convert to fraction form
    129,965,068.22/194,946,099.40 = 31,597,332.02/x
  3. Step 3: Cross multiply
    129,965,068.22x = 194,946,099.40 × 31,597,332.02
  4. Step 4: Simplify right side
    129,965,068.22x = 6,159,776,628,541,537
  5. Step 5: Solve for x
    x = 6,159,776,628,541,537/129,965,068.22
  6. Step 6: Final answer
    x = 47,395,632.64

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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.