Finding the Fourth Proportional to 49,774,545.14, 68,685,364.77 and 27,747,070.20
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Solution
The fourth proportional to 49,774,545.14, 68,685,364.77 and 27,747,070.20 is: 38,289,001.59
Step by Step Solution
- Step 1: Write the proportion equation
49,774,545.14 : 68,685,364.77 = 27,747,070.20 : x - Step 2: Convert to fraction form
49,774,545.14/68,685,364.77 = 27,747,070.20/x - Step 3: Cross multiply
49,774,545.14x = 68,685,364.77 × 27,747,070.20 - Step 4: Simplify right side
49,774,545.14x = 1,905,817,637,985,796.75 - Step 5: Solve for x
x = 1,905,817,637,985,796.75/49,774,545.14 - Step 6: Final answer
x = 38,289,001.59
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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.