Finding the Fourth Proportional to 172,402,238.88, 237,920,133.60 and 94,090,815.18
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Solution
The fourth proportional to 172,402,238.88, 237,920,133.60 and 94,090,815.18 is: 129,848,077.75
Step by Step Solution
- Step 1: Write the proportion equation
172,402,238.88 : 237,920,133.60 = 94,090,815.18 : x - Step 2: Convert to fraction form
172,402,238.88/237,920,133.60 = 94,090,815.18/x - Step 3: Cross multiply
172,402,238.88x = 237,920,133.60 × 94,090,815.18 - Step 4: Simplify right side
172,402,238.88x = 22,386,099,318,158,508 - Step 5: Solve for x
x = 22,386,099,318,158,508/172,402,238.88 - Step 6: Final answer
x = 129,848,077.75
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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.