Home / 238,911,856.40-358,434,139.80-102,662,512.40

Finding the Fourth Proportional to 238,911,856.40, 358,434,139.80 and 102,662,512.40

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Solution

The fourth proportional to 238,911,856.40, 358,434,139.80 and 102,662,512.40 is: 154,022,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,911,856.40 : 358,434,139.80 = 102,662,512.40 : x
  2. Step 2: Convert to fraction form
    238,911,856.40/358,434,139.80 = 102,662,512.40/x
  3. Step 3: Cross multiply
    238,911,856.40x = 358,434,139.80 × 102,662,512.40
  4. Step 4: Simplify right side
    238,911,856.40x = 36,797,749,321,800,840
  5. Step 5: Solve for x
    x = 36,797,749,321,800,840/238,911,856.40
  6. Step 6: Final answer
    x = 154,022,282.01

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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.