Finding the Fourth Proportional to 157,067,110.99, 216,749,968.75 and 86,509,291.74
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Solution
The fourth proportional to 157,067,110.99, 216,749,968.75 and 86,509,291.74 is: 119,381,366.11
Step by Step Solution
- Step 1: Write the proportion equation
157,067,110.99 : 216,749,968.75 = 86,509,291.74 : x - Step 2: Convert to fraction form
157,067,110.99/216,749,968.75 = 86,509,291.74/x - Step 3: Cross multiply
157,067,110.99x = 216,749,968.75 × 86,509,291.74 - Step 4: Simplify right side
157,067,110.99x = 18,750,886,279,713,336 - Step 5: Solve for x
x = 18,750,886,279,713,336/157,067,110.99 - Step 6: Final answer
x = 119,381,366.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.