Home / 129,310,254.30-193,965,381.45-106,352,003.10

Finding the Fourth Proportional to 129,310,254.30, 193,965,381.45 and 106,352,003.10

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Solution

The fourth proportional to 129,310,254.30, 193,965,381.45 and 106,352,003.10 is: 159,528,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,310,254.30 : 193,965,381.45 = 106,352,003.10 : x
  2. Step 2: Convert to fraction form
    129,310,254.30/193,965,381.45 = 106,352,003.10/x
  3. Step 3: Cross multiply
    129,310,254.30x = 193,965,381.45 × 106,352,003.10
  4. Step 4: Simplify right side
    129,310,254.30x = 20,628,606,849,263,080
  5. Step 5: Solve for x
    x = 20,628,606,849,263,080/129,310,254.30
  6. Step 6: Final answer
    x = 159,528,004.65

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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.