Home / 201,699,929.30-302,320,391.28-122,742,292.16

Finding the Fourth Proportional to 201,699,929.30, 302,320,391.28 and 122,742,292.16

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Solution

The fourth proportional to 201,699,929.30, 302,320,391.28 and 122,742,292.16 is: 183,973,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,699,929.30 : 302,320,391.28 = 122,742,292.16 : x
  2. Step 2: Convert to fraction form
    201,699,929.30/302,320,391.28 = 122,742,292.16/x
  3. Step 3: Cross multiply
    201,699,929.30x = 302,320,391.28 × 122,742,292.16
  4. Step 4: Simplify right side
    201,699,929.30x = 37,107,497,792,415,272
  5. Step 5: Solve for x
    x = 37,107,497,792,415,272/201,699,929.30
  6. Step 6: Final answer
    x = 183,973,776.89

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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.