Finding the Fourth Proportional to 130,944,799.34, 180,708,185.52 and 71,409,352.44
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Solution
The fourth proportional to 130,944,799.34, 180,708,185.52 and 71,409,352.44 is: 98,547,285.37
Step by Step Solution
- Step 1: Write the proportion equation
130,944,799.34 : 180,708,185.52 = 71,409,352.44 : x - Step 2: Convert to fraction form
130,944,799.34/180,708,185.52 = 71,409,352.44/x - Step 3: Cross multiply
130,944,799.34x = 180,708,185.52 × 71,409,352.44 - Step 4: Simplify right side
130,944,799.34x = 12,904,254,508,590,586 - Step 5: Solve for x
x = 12,904,254,508,590,586/130,944,799.34 - Step 6: Final answer
x = 98,547,285.37
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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.