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Finding the Fourth Proportional to 59,819,953.20, 89,729,929.80 and 59,819,953.20

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Solution

The fourth proportional to 59,819,953.20, 89,729,929.80 and 59,819,953.20 is: 89,729,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,819,953.20 : 89,729,929.80 = 59,819,953.20 : x
  2. Step 2: Convert to fraction form
    59,819,953.20/89,729,929.80 = 59,819,953.20/x
  3. Step 3: Cross multiply
    59,819,953.20x = 89,729,929.80 × 59,819,953.20
  4. Step 4: Simplify right side
    59,819,953.20x = 5,367,640,201,275,285
  5. Step 5: Solve for x
    x = 5,367,640,201,275,285/59,819,953.20
  6. Step 6: Final answer
    x = 89,729,929.80

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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.