Finding the Fourth Proportional to 155,418,683.76, 214,574,577.52 and 98,935,299.68
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Solution
The fourth proportional to 155,418,683.76, 214,574,577.52 and 98,935,299.68 is: 136,592,329.94
Step by Step Solution
- Step 1: Write the proportion equation
155,418,683.76 : 214,574,577.52 = 98,935,299.68 : x - Step 2: Convert to fraction form
155,418,683.76/214,574,577.52 = 98,935,299.68/x - Step 3: Cross multiply
155,418,683.76x = 214,574,577.52 × 98,935,299.68 - Step 4: Simplify right side
155,418,683.76x = 21,229,000,130,650,592 - Step 5: Solve for x
x = 21,229,000,130,650,592/155,418,683.76 - Step 6: Final answer
x = 136,592,329.94
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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.