Finding the Fourth Proportional to 81,514,917.57, 122,272,354.47 and 55,878,203.73
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Solution
The fourth proportional to 81,514,917.57, 122,272,354.47 and 55,878,203.73 is: 83,817,290.59
Step by Step Solution
- Step 1: Write the proportion equation
81,514,917.57 : 122,272,354.47 = 55,878,203.73 : x - Step 2: Convert to fraction form
81,514,917.57/122,272,354.47 = 55,878,203.73/x - Step 3: Cross multiply
81,514,917.57x = 122,272,354.47 × 55,878,203.73 - Step 4: Simplify right side
81,514,917.57x = 6,832,359,533,621,436 - Step 5: Solve for x
x = 6,832,359,533,621,436/81,514,917.57 - Step 6: Final answer
x = 83,817,290.59
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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.