Home / 108,516,694.40-162,775,041.60-100,202,595.20

Finding the Fourth Proportional to 108,516,694.40, 162,775,041.60 and 100,202,595.20

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Solution

The fourth proportional to 108,516,694.40, 162,775,041.60 and 100,202,595.20 is: 150,303,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516,694.40 : 162,775,041.60 = 100,202,595.20 : x
  2. Step 2: Convert to fraction form
    108,516,694.40/162,775,041.60 = 100,202,595.20/x
  3. Step 3: Cross multiply
    108,516,694.40x = 162,775,041.60 × 100,202,595.20
  4. Step 4: Simplify right side
    108,516,694.40x = 16,310,481,602,107,960
  5. Step 5: Solve for x
    x = 16,310,481,602,107,960/108,516,694.40
  6. Step 6: Final answer
    x = 150,303,892.80

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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.