Finding the Fourth Proportional to 268,776,387.20, 403,239,230.40 and 115,495,875.20
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Solution
The fourth proportional to 268,776,387.20, 403,239,230.40 and 115,495,875.20 is: 173,275,890.47
Step by Step Solution
- Step 1: Write the proportion equation
268,776,387.20 : 403,239,230.40 = 115,495,875.20 : x - Step 2: Convert to fraction form
268,776,387.20/403,239,230.40 = 115,495,875.20/x - Step 3: Cross multiply
268,776,387.20x = 403,239,230.40 × 115,495,875.20 - Step 4: Simplify right side
268,776,387.20x = 46,572,467,830,022,448 - Step 5: Solve for x
x = 46,572,467,830,022,448/268,776,387.20 - Step 6: Final answer
x = 173,275,890.47
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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.