Home / 156,083,231.67-215,341,832.91-89,054,036.69

Finding the Fourth Proportional to 156,083,231.67, 215,341,832.91 and 89,054,036.69

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Solution

The fourth proportional to 156,083,231.67, 215,341,832.91 and 89,054,036.69 is: 122,864,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,083,231.67 : 215,341,832.91 = 89,054,036.69 : x
  2. Step 2: Convert to fraction form
    156,083,231.67/215,341,832.91 = 89,054,036.69/x
  3. Step 3: Cross multiply
    156,083,231.67x = 215,341,832.91 × 89,054,036.69
  4. Step 4: Simplify right side
    156,083,231.67x = 19,177,059,488,858,988
  5. Step 5: Solve for x
    x = 19,177,059,488,858,988/156,083,231.67
  6. Step 6: Final answer
    x = 122,864,315.94

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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.