Finding the Fourth Proportional to 270,286,447.94, 372,998,237.93 and 158,781,988.46
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Solution
The fourth proportional to 270,286,447.94, 372,998,237.93 and 158,781,988.46 is: 219,120,871.07
Step by Step Solution
- Step 1: Write the proportion equation
270,286,447.94 : 372,998,237.93 = 158,781,988.46 : x - Step 2: Convert to fraction form
270,286,447.94/372,998,237.93 = 158,781,988.46/x - Step 3: Cross multiply
270,286,447.94x = 372,998,237.93 × 158,781,988.46 - Step 4: Simplify right side
270,286,447.94x = 59,225,401,910,601,600 - Step 5: Solve for x
x = 59,225,401,910,601,600/270,286,447.94 - Step 6: Final answer
x = 219,120,871.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.