Finding the Fourth Proportional to 135,710,992.17, 187,346,216.93 and 83,544,743.61
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Solution
The fourth proportional to 135,710,992.17, 187,346,216.93 and 83,544,743.61 is: 115,331,790.07
Step by Step Solution
- Step 1: Write the proportion equation
135,710,992.17 : 187,346,216.93 = 83,544,743.61 : x - Step 2: Convert to fraction form
135,710,992.17/187,346,216.93 = 83,544,743.61/x - Step 3: Cross multiply
135,710,992.17x = 187,346,216.93 × 83,544,743.61 - Step 4: Simplify right side
135,710,992.17x = 15,651,791,659,302,568 - Step 5: Solve for x
x = 15,651,791,659,302,568/135,710,992.17 - Step 6: Final answer
x = 115,331,790.07
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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.