Finding the Fourth Proportional to 93,543,257.99, 129,090,531.31 and 51,730,152.61
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Solution
The fourth proportional to 93,543,257.99, 129,090,531.31 and 51,730,152.61 is: 71,388,072.52
Step by Step Solution
- Step 1: Write the proportion equation
93,543,257.99 : 129,090,531.31 = 51,730,152.61 : x - Step 2: Convert to fraction form
93,543,257.99/129,090,531.31 = 51,730,152.61/x - Step 3: Cross multiply
93,543,257.99x = 129,090,531.31 × 51,730,152.61 - Step 4: Simplify right side
93,543,257.99x = 6,677,872,885,252,999 - Step 5: Solve for x
x = 6,677,872,885,252,999/93,543,257.99 - Step 6: Final answer
x = 71,388,072.52
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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.