Finding the Fourth Proportional to 260,109,277.31, 390,165,219.97 and 66,020,750.26
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Solution
The fourth proportional to 260,109,277.31, 390,165,219.97 and 66,020,750.26 is: 99,031,456.37
Step by Step Solution
- Step 1: Write the proportion equation
260,109,277.31 : 390,165,219.97 = 66,020,750.26 : x - Step 2: Convert to fraction form
260,109,277.31/390,165,219.97 = 66,020,750.26/x - Step 3: Cross multiply
260,109,277.31x = 390,165,219.97 × 66,020,750.26 - Step 4: Simplify right side
260,109,277.31x = 25,759,000,546,636,868 - Step 5: Solve for x
x = 25,759,000,546,636,868/260,109,277.31 - Step 6: Final answer
x = 99,031,456.37
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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.