Finding the Fourth Proportional to 79,172,893.28, 118,779,120.84 and 55,875,125.80
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Solution
The fourth proportional to 79,172,893.28, 118,779,120.84 and 55,875,125.80 is: 83,826,648.80
Step by Step Solution
- Step 1: Write the proportion equation
79,172,893.28 : 118,779,120.84 = 55,875,125.80 : x - Step 2: Convert to fraction form
79,172,893.28/118,779,120.84 = 55,875,125.80/x - Step 3: Cross multiply
79,172,893.28x = 118,779,120.84 × 55,875,125.80 - Step 4: Simplify right side
79,172,893.28x = 6,636,798,319,348,402 - Step 5: Solve for x
x = 6,636,798,319,348,402/79,172,893.28 - Step 6: Final answer
x = 83,826,648.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.