Home / 189,022,077.45-283,533,116.18-172,866,271.05

Finding the Fourth Proportional to 189,022,077.45, 283,533,116.18 and 172,866,271.05

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Solution

The fourth proportional to 189,022,077.45, 283,533,116.18 and 172,866,271.05 is: 259,299,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022,077.45 : 283,533,116.18 = 172,866,271.05 : x
  2. Step 2: Convert to fraction form
    189,022,077.45/283,533,116.18 = 172,866,271.05/x
  3. Step 3: Cross multiply
    189,022,077.45x = 283,533,116.18 × 172,866,271.05
  4. Step 4: Simplify right side
    189,022,077.45x = 49,013,312,512,358,696
  5. Step 5: Solve for x
    x = 49,013,312,512,358,696/189,022,077.45
  6. Step 6: Final answer
    x = 259,299,406.58

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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.