Home / 212,908,832.16-293,742,020.88-173,682,800.16

Finding the Fourth Proportional to 212,908,832.16, 293,742,020.88 and 173,682,800.16

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Solution

The fourth proportional to 212,908,832.16, 293,742,020.88 and 173,682,800.16 is: 239,623,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908,832.16 : 293,742,020.88 = 173,682,800.16 : x
  2. Step 2: Convert to fraction form
    212,908,832.16/293,742,020.88 = 173,682,800.16/x
  3. Step 3: Cross multiply
    212,908,832.16x = 293,742,020.88 × 173,682,800.16
  4. Step 4: Simplify right side
    212,908,832.16x = 51,017,936,711,095,584
  5. Step 5: Solve for x
    x = 51,017,936,711,095,584/212,908,832.16
  6. Step 6: Final answer
    x = 239,623,392.76

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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.