Finding the Fourth Proportional to 117,335,326.68, 161,921,560.68 and 65,124,813.24
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Solution
The fourth proportional to 117,335,326.68, 161,921,560.68 and 65,124,813.24 is: 89,871,581.71
Step by Step Solution
- Step 1: Write the proportion equation
117,335,326.68 : 161,921,560.68 = 65,124,813.24 : x - Step 2: Convert to fraction form
117,335,326.68/161,921,560.68 = 65,124,813.24/x - Step 3: Cross multiply
117,335,326.68x = 161,921,560.68 × 65,124,813.24 - Step 4: Simplify right side
117,335,326.68x = 10,545,111,398,814,328 - Step 5: Solve for x
x = 10,545,111,398,814,328/117,335,326.68 - Step 6: Final answer
x = 89,871,581.71
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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.