Home / 543,017,867.70-814,526,801.55-134,074,018.20

Finding the Fourth Proportional to 543,017,867.70, 814,526,801.55 and 134,074,018.20

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Solution

The fourth proportional to 543,017,867.70, 814,526,801.55 and 134,074,018.20 is: 201,111,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,017,867.70 : 814,526,801.55 = 134,074,018.20 : x
  2. Step 2: Convert to fraction form
    543,017,867.70/814,526,801.55 = 134,074,018.20/x
  3. Step 3: Cross multiply
    543,017,867.70x = 814,526,801.55 × 134,074,018.20
  4. Step 4: Simplify right side
    543,017,867.70x = 109,206,881,215,402,480
  5. Step 5: Solve for x
    x = 109,206,881,215,402,480/543,017,867.70
  6. Step 6: Final answer
    x = 201,111,027.30

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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.