Home / 212,476,088.54-293,218,165.35-123,220,952.21

Finding the Fourth Proportional to 212,476,088.54, 293,218,165.35 and 123,220,952.21

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Solution

The fourth proportional to 212,476,088.54, 293,218,165.35 and 123,220,952.21 is: 170,045,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,476,088.54 : 293,218,165.35 = 123,220,952.21 : x
  2. Step 2: Convert to fraction form
    212,476,088.54/293,218,165.35 = 123,220,952.21/x
  3. Step 3: Cross multiply
    212,476,088.54x = 293,218,165.35 × 123,220,952.21
  4. Step 4: Simplify right side
    212,476,088.54x = 36,130,621,540,429,280
  5. Step 5: Solve for x
    x = 36,130,621,540,429,280/212,476,088.54
  6. Step 6: Final answer
    x = 170,045,588.60

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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.