Finding the Fourth Proportional to 268,692,230.18, 370,909,684.86 and 180,637,299.56
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Solution
The fourth proportional to 268,692,230.18, 370,909,684.86 and 180,637,299.56 is: 249,356,387.45
Step by Step Solution
- Step 1: Write the proportion equation
268,692,230.18 : 370,909,684.86 = 180,637,299.56 : x - Step 2: Convert to fraction form
268,692,230.18/370,909,684.86 = 180,637,299.56/x - Step 3: Cross multiply
268,692,230.18x = 370,909,684.86 × 180,637,299.56 - Step 4: Simplify right side
268,692,230.18x = 67,000,123,853,761,024 - Step 5: Solve for x
x = 67,000,123,853,761,024/268,692,230.18 - Step 6: Final answer
x = 249,356,387.45
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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.