Home / 312,208,592.69-468,341,786.14-102,120,471.42

Finding the Fourth Proportional to 312,208,592.69, 468,341,786.14 and 102,120,471.42

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Solution

The fourth proportional to 312,208,592.69, 468,341,786.14 and 102,120,471.42 is: 153,190,159.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,592.69 : 468,341,786.14 = 102,120,471.42 : x
  2. Step 2: Convert to fraction form
    312,208,592.69/468,341,786.14 = 102,120,471.42/x
  3. Step 3: Cross multiply
    312,208,592.69x = 468,341,786.14 × 102,120,471.42
  4. Step 4: Simplify right side
    312,208,592.69x = 47,827,283,984,215,216
  5. Step 5: Solve for x
    x = 47,827,283,984,215,216/312,208,592.69
  6. Step 6: Final answer
    x = 153,190,159.09

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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.