Finding the Fourth Proportional to 152,901,644.87, 229,365,678.68 and 42,237,276.09
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Solution
The fourth proportional to 152,901,644.87, 229,365,678.68 and 42,237,276.09 is: 63,359,563.62
Step by Step Solution
- Step 1: Write the proportion equation
152,901,644.87 : 229,365,678.68 = 42,237,276.09 : x - Step 2: Convert to fraction form
152,901,644.87/229,365,678.68 = 42,237,276.09/x - Step 3: Cross multiply
152,901,644.87x = 229,365,678.68 × 42,237,276.09 - Step 4: Simplify right side
152,901,644.87x = 9,687,781,495,977,388 - Step 5: Solve for x
x = 9,687,781,495,977,388/152,901,644.87 - Step 6: Final answer
x = 63,359,563.62
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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.