Finding the Fourth Proportional to 93,291,508.35, 128,741,402.84 and 51,475,951.71
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Solution
The fourth proportional to 93,291,508.35, 128,741,402.84 and 51,475,951.71 is: 71,036,328.52
Step by Step Solution
- Step 1: Write the proportion equation
93,291,508.35 : 128,741,402.84 = 51,475,951.71 : x - Step 2: Convert to fraction form
93,291,508.35/128,741,402.84 = 51,475,951.71/x - Step 3: Cross multiply
93,291,508.35x = 128,741,402.84 × 51,475,951.71 - Step 4: Simplify right side
93,291,508.35x = 6,627,086,235,412,117 - Step 5: Solve for x
x = 6,627,086,235,412,117/93,291,508.35 - Step 6: Final answer
x = 71,036,328.52
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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.