Finding the Fourth Proportional to 163,715,986.98, 245,602,349.19 and 66,724,461.54
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Solution
The fourth proportional to 163,715,986.98, 245,602,349.19 and 66,724,461.54 is: 100,098,254.33
Step by Step Solution
- Step 1: Write the proportion equation
163,715,986.98 : 245,602,349.19 = 66,724,461.54 : x - Step 2: Convert to fraction form
163,715,986.98/245,602,349.19 = 66,724,461.54/x - Step 3: Cross multiply
163,715,986.98x = 245,602,349.19 × 66,724,461.54 - Step 4: Simplify right side
163,715,986.98x = 16,387,684,502,661,804 - Step 5: Solve for x
x = 16,387,684,502,661,804/163,715,986.98 - Step 6: Final answer
x = 100,098,254.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.