Home / 129,030,208.20-193,561,901.10-64,367,065.80

Finding the Fourth Proportional to 129,030,208.20, 193,561,901.10 and 64,367,065.80

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Solution

The fourth proportional to 129,030,208.20, 193,561,901.10 and 64,367,065.80 is: 96,558,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030,208.20 : 193,561,901.10 = 64,367,065.80 : x
  2. Step 2: Convert to fraction form
    129,030,208.20/193,561,901.10 = 64,367,065.80/x
  3. Step 3: Cross multiply
    129,030,208.20x = 193,561,901.10 × 64,367,065.80
  4. Step 4: Simplify right side
    129,030,208.20x = 12,459,011,624,476,792
  5. Step 5: Solve for x
    x = 12,459,011,624,476,792/129,030,208.20
  6. Step 6: Final answer
    x = 96,558,874.07

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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.