Home / 310,453,530.84-465,680,296.53-126,177,833.16

Finding the Fourth Proportional to 310,453,530.84, 465,680,296.53 and 126,177,833.16

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Solution

The fourth proportional to 310,453,530.84, 465,680,296.53 and 126,177,833.16 is: 189,266,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,453,530.84 : 465,680,296.53 = 126,177,833.16 : x
  2. Step 2: Convert to fraction form
    310,453,530.84/465,680,296.53 = 126,177,833.16/x
  3. Step 3: Cross multiply
    310,453,530.84x = 465,680,296.53 × 126,177,833.16
  4. Step 4: Simplify right side
    310,453,530.84x = 58,758,530,761,461,664
  5. Step 5: Solve for x
    x = 58,758,530,761,461,664/310,453,530.84
  6. Step 6: Final answer
    x = 189,266,749.85

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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.