Finding the Fourth Proportional to 304,611,831.90, 456,909,027.84 and 86,261,657.58
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Solution
The fourth proportional to 304,611,831.90, 456,909,027.84 and 86,261,657.58 is: 129,390,016.99
Step by Step Solution
- Step 1: Write the proportion equation
304,611,831.90 : 456,909,027.84 = 86,261,657.58 : x - Step 2: Convert to fraction form
304,611,831.90/456,909,027.84 = 86,261,657.58/x - Step 3: Cross multiply
304,611,831.90x = 456,909,027.84 × 86,261,657.58 - Step 4: Simplify right side
304,611,831.90x = 39,413,730,104,744,760 - Step 5: Solve for x
x = 39,413,730,104,744,760/304,611,831.90 - Step 6: Final answer
x = 129,390,016.99
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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.