Finding the Fourth Proportional to 162,689,257.11, 224,510,480.62 and 88,349,297.13
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Solution
The fourth proportional to 162,689,257.11, 224,510,480.62 and 88,349,297.13 is: 121,921,653.05
Step by Step Solution
- Step 1: Write the proportion equation
162,689,257.11 : 224,510,480.62 = 88,349,297.13 : x - Step 2: Convert to fraction form
162,689,257.11/224,510,480.62 = 88,349,297.13/x - Step 3: Cross multiply
162,689,257.11x = 224,510,480.62 × 88,349,297.13 - Step 4: Simplify right side
162,689,257.11x = 19,835,343,161,095,484 - Step 5: Solve for x
x = 19,835,343,161,095,484/162,689,257.11 - Step 6: Final answer
x = 121,921,653.05
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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.