Home / 102,365,187.56-153,547,781.34-34,207,879.31

Finding the Fourth Proportional to 102,365,187.56, 153,547,781.34 and 34,207,879.31

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Solution

The fourth proportional to 102,365,187.56, 153,547,781.34 and 34,207,879.31 is: 51,311,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,365,187.56 : 153,547,781.34 = 34,207,879.31 : x
  2. Step 2: Convert to fraction form
    102,365,187.56/153,547,781.34 = 34,207,879.31/x
  3. Step 3: Cross multiply
    102,365,187.56x = 153,547,781.34 × 34,207,879.31
  4. Step 4: Simplify right side
    102,365,187.56x = 5,252,543,972,909,139
  5. Step 5: Solve for x
    x = 5,252,543,972,909,139/102,365,187.56
  6. Step 6: Final answer
    x = 51,311,818.97

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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.