Finding the Fourth Proportional to 139,817,862.08, 209,787,272.18 and 75,045,999.05
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Solution
The fourth proportional to 139,817,862.08, 209,787,272.18 and 75,045,999.05 is: 112,601,460.17
Step by Step Solution
- Step 1: Write the proportion equation
139,817,862.08 : 209,787,272.18 = 75,045,999.05 : x - Step 2: Convert to fraction form
139,817,862.08/209,787,272.18 = 75,045,999.05/x - Step 3: Cross multiply
139,817,862.08x = 209,787,272.18 × 75,045,999.05 - Step 4: Simplify right side
139,817,862.08x = 15,743,695,428,722,372 - Step 5: Solve for x
x = 15,743,695,428,722,372/139,817,862.08 - Step 6: Final answer
x = 112,601,460.17
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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.