Home / 208,208,866.69-287,359,882.22-132,887,710.52

Finding the Fourth Proportional to 208,208,866.69, 287,359,882.22 and 132,887,710.52

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Solution

The fourth proportional to 208,208,866.69, 287,359,882.22 and 132,887,710.52 is: 183,405,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,208,866.69 : 287,359,882.22 = 132,887,710.52 : x
  2. Step 2: Convert to fraction form
    208,208,866.69/287,359,882.22 = 132,887,710.52/x
  3. Step 3: Cross multiply
    208,208,866.69x = 287,359,882.22 × 132,887,710.52
  4. Step 4: Simplify right side
    208,208,866.69x = 38,186,596,842,738,848
  5. Step 5: Solve for x
    x = 38,186,596,842,738,848/208,208,866.69
  6. Step 6: Final answer
    x = 183,405,238.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.