Finding the Fourth Proportional to 268,272,901.80, 402,409,352.70 and 181,541,730.60
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Solution
The fourth proportional to 268,272,901.80, 402,409,352.70 and 181,541,730.60 is: 272,312,595.90
Step by Step Solution
- Step 1: Write the proportion equation
268,272,901.80 : 402,409,352.70 = 181,541,730.60 : x - Step 2: Convert to fraction form
268,272,901.80/402,409,352.70 = 181,541,730.60/x - Step 3: Cross multiply
268,272,901.80x = 402,409,352.70 × 181,541,730.60 - Step 4: Simplify right side
268,272,901.80x = 73,054,090,298,783,776 - Step 5: Solve for x
x = 73,054,090,298,783,776/268,272,901.80 - Step 6: Final answer
x = 272,312,595.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.