Home / 108,103,201.80-162,413,492.12-69,317,643.45

Finding the Fourth Proportional to 108,103,201.80, 162,413,492.12 and 69,317,643.45

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Solution

The fourth proportional to 108,103,201.80, 162,413,492.12 and 69,317,643.45 is: 104,142,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,103,201.80 : 162,413,492.12 = 69,317,643.45 : x
  2. Step 2: Convert to fraction form
    108,103,201.80/162,413,492.12 = 69,317,643.45/x
  3. Step 3: Cross multiply
    108,103,201.80x = 162,413,492.12 × 69,317,643.45
  4. Step 4: Simplify right side
    108,103,201.80x = 11,258,120,538,114,990
  5. Step 5: Solve for x
    x = 11,258,120,538,114,990/108,103,201.80
  6. Step 6: Final answer
    x = 104,142,341.30

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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.