Finding the Fourth Proportional to 115,360,684.72, 159,197,733.08 and 63,149,755.76
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Solution
The fourth proportional to 115,360,684.72, 159,197,733.08 and 63,149,755.76 is: 87,146,656.47
Step by Step Solution
- Step 1: Write the proportion equation
115,360,684.72 : 159,197,733.08 = 63,149,755.76 : x - Step 2: Convert to fraction form
115,360,684.72/159,197,733.08 = 63,149,755.76/x - Step 3: Cross multiply
115,360,684.72x = 159,197,733.08 × 63,149,755.76 - Step 4: Simplify right side
115,360,684.72x = 10,053,297,961,547,674 - Step 5: Solve for x
x = 10,053,297,961,547,674/115,360,684.72 - Step 6: Final answer
x = 87,146,656.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.