Home / 360,008,016.46-540,008,088.06-87,378,783.46

Finding the Fourth Proportional to 360,008,016.46, 540,008,088.06 and 87,378,783.46

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Solution

The fourth proportional to 360,008,016.46, 540,008,088.06 and 87,378,783.46 is: 131,067,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008,016.46 : 540,008,088.06 = 87,378,783.46 : x
  2. Step 2: Convert to fraction form
    360,008,016.46/540,008,088.06 = 87,378,783.46/x
  3. Step 3: Cross multiply
    360,008,016.46x = 540,008,088.06 × 87,378,783.46
  4. Step 4: Simplify right side
    360,008,016.46x = 47,185,249,793,243,344
  5. Step 5: Solve for x
    x = 47,185,249,793,243,344/360,008,016.46
  6. Step 6: Final answer
    x = 131,067,219.72

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1.5x scale

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.