Home / 219,303,350.20-328,829,054.10-65,926,415.80

Finding the Fourth Proportional to 219,303,350.20, 328,829,054.10 and 65,926,415.80

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Solution

The fourth proportional to 219,303,350.20, 328,829,054.10 and 65,926,415.80 is: 98,851,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,303,350.20 : 328,829,054.10 = 65,926,415.80 : x
  2. Step 2: Convert to fraction form
    219,303,350.20/328,829,054.10 = 65,926,415.80/x
  3. Step 3: Cross multiply
    219,303,350.20x = 328,829,054.10 × 65,926,415.80
  4. Step 4: Simplify right side
    219,303,350.20x = 21,678,520,947,717,296
  5. Step 5: Solve for x
    x = 21,678,520,947,717,296/219,303,350.20
  6. Step 6: Final answer
    x = 98,851,754.56

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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.