Finding the Fourth Proportional to 134,849,894.18, 186,093,177.45 and 72,970,896.74
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Solution
The fourth proportional to 134,849,894.18, 186,093,177.45 and 72,970,896.74 is: 100,700,012.55
Step by Step Solution
- Step 1: Write the proportion equation
134,849,894.18 : 186,093,177.45 = 72,970,896.74 : x - Step 2: Convert to fraction form
134,849,894.18/186,093,177.45 = 72,970,896.74/x - Step 3: Cross multiply
134,849,894.18x = 186,093,177.45 × 72,970,896.74 - Step 4: Simplify right side
134,849,894.18x = 13,579,386,035,722,444 - Step 5: Solve for x
x = 13,579,386,035,722,444/134,849,894.18 - Step 6: Final answer
x = 100,700,012.55
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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.