Home / 208,533,225.48-312,828,246.30-121,135,754.76

Finding the Fourth Proportional to 208,533,225.48, 312,828,246.30 and 121,135,754.76

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Solution

The fourth proportional to 208,533,225.48, 312,828,246.30 and 121,135,754.76 is: 181,720,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,533,225.48 : 312,828,246.30 = 121,135,754.76 : x
  2. Step 2: Convert to fraction form
    208,533,225.48/312,828,246.30 = 121,135,754.76/x
  3. Step 3: Cross multiply
    208,533,225.48x = 312,828,246.30 × 121,135,754.76
  4. Step 4: Simplify right side
    208,533,225.48x = 37,894,685,725,797,680
  5. Step 5: Solve for x
    x = 37,894,685,725,797,680/208,533,225.48
  6. Step 6: Final answer
    x = 181,720,134.23

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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.