Home / 217,033,807.20-325,550,710.80-176,219,138.40

Finding the Fourth Proportional to 217,033,807.20, 325,550,710.80 and 176,219,138.40

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Solution

The fourth proportional to 217,033,807.20, 325,550,710.80 and 176,219,138.40 is: 264,328,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,033,807.20 : 325,550,710.80 = 176,219,138.40 : x
  2. Step 2: Convert to fraction form
    217,033,807.20/325,550,710.80 = 176,219,138.40/x
  3. Step 3: Cross multiply
    217,033,807.20x = 325,550,710.80 × 176,219,138.40
  4. Step 4: Simplify right side
    217,033,807.20x = 57,368,265,762,683,576
  5. Step 5: Solve for x
    x = 57,368,265,762,683,576/217,033,807.20
  6. Step 6: Final answer
    x = 264,328,707.60

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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.