Finding the Fourth Proportional to 212,588,862.60, 293,372,628.66 and 114,803,709.96
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Solution
The fourth proportional to 212,588,862.60, 293,372,628.66 and 114,803,709.96 is: 158,429,118.81
Step by Step Solution
- Step 1: Write the proportion equation
212,588,862.60 : 293,372,628.66 = 114,803,709.96 : x - Step 2: Convert to fraction form
212,588,862.60/293,372,628.66 = 114,803,709.96/x - Step 3: Cross multiply
212,588,862.60x = 293,372,628.66 × 114,803,709.96 - Step 4: Simplify right side
212,588,862.60x = 33,680,266,170,885,424 - Step 5: Solve for x
x = 33,680,266,170,885,424/212,588,862.60 - Step 6: Final answer
x = 158,429,118.81
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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.