Finding the Fourth Proportional to 124,854,952.36, 172,298,565.06 and 69,100,481.08
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Solution
The fourth proportional to 124,854,952.36, 172,298,565.06 and 69,100,481.08 is: 95,357,961.46
Step by Step Solution
- Step 1: Write the proportion equation
124,854,952.36 : 172,298,565.06 = 69,100,481.08 : x - Step 2: Convert to fraction form
124,854,952.36/172,298,565.06 = 69,100,481.08/x - Step 3: Cross multiply
124,854,952.36x = 172,298,565.06 × 69,100,481.08 - Step 4: Simplify right side
124,854,952.36x = 11,905,913,735,039,678 - Step 5: Solve for x
x = 11,905,913,735,039,678/124,854,952.36 - Step 6: Final answer
x = 95,357,961.46
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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.