Home / 180,558,255.06-249,246,663.10-121,900,370.85

Finding the Fourth Proportional to 180,558,255.06, 249,246,663.10 and 121,900,370.85

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Solution

The fourth proportional to 180,558,255.06, 249,246,663.10 and 121,900,370.85 is: 168,274,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,558,255.06 : 249,246,663.10 = 121,900,370.85 : x
  2. Step 2: Convert to fraction form
    180,558,255.06/249,246,663.10 = 121,900,370.85/x
  3. Step 3: Cross multiply
    180,558,255.06x = 249,246,663.10 × 121,900,370.85
  4. Step 4: Simplify right side
    180,558,255.06x = 30,383,260,664,710,256
  5. Step 5: Solve for x
    x = 30,383,260,664,710,256/180,558,255.06
  6. Step 6: Final answer
    x = 168,274,004.72

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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.