Finding the Fourth Proportional to 110,909,249.84, 153,042,981.72 and 61,341,746.96
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Solution
The fourth proportional to 110,909,249.84, 153,042,981.72 and 61,341,746.96 is: 84,645,093.82
Step by Step Solution
- Step 1: Write the proportion equation
110,909,249.84 : 153,042,981.72 = 61,341,746.96 : x - Step 2: Convert to fraction form
110,909,249.84/153,042,981.72 = 61,341,746.96/x - Step 3: Cross multiply
110,909,249.84x = 153,042,981.72 × 61,341,746.96 - Step 4: Simplify right side
110,909,249.84x = 9,387,923,858,672,146 - Step 5: Solve for x
x = 9,387,923,858,672,146/110,909,249.84 - Step 6: Final answer
x = 84,645,093.82
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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.