Home / 208,103,005.12-287,168,679.24-114,017,023.12

Finding the Fourth Proportional to 208,103,005.12, 287,168,679.24 and 114,017,023.12

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Solution

The fourth proportional to 208,103,005.12, 287,168,679.24 and 114,017,023.12 is: 157,336,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,103,005.12 : 287,168,679.24 = 114,017,023.12 : x
  2. Step 2: Convert to fraction form
    208,103,005.12/287,168,679.24 = 114,017,023.12/x
  3. Step 3: Cross multiply
    208,103,005.12x = 287,168,679.24 × 114,017,023.12
  4. Step 4: Simplify right side
    208,103,005.12x = 32,742,117,940,246,948
  5. Step 5: Solve for x
    x = 32,742,117,940,246,948/208,103,005.12
  6. Step 6: Final answer
    x = 157,336,113.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.