Finding the Fourth Proportional to 166,326,898.96, 249,294,419.70 and 67,897,133.74
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Solution
The fourth proportional to 166,326,898.96, 249,294,419.70 and 67,897,133.74 is: 101,765,719.56
Step by Step Solution
- Step 1: Write the proportion equation
166,326,898.96 : 249,294,419.70 = 67,897,133.74 : x - Step 2: Convert to fraction form
166,326,898.96/249,294,419.70 = 67,897,133.74/x - Step 3: Cross multiply
166,326,898.96x = 249,294,419.70 × 67,897,133.74 - Step 4: Simplify right side
166,326,898.96x = 16,926,376,555,006,588 - Step 5: Solve for x
x = 16,926,376,555,006,588/166,326,898.96 - Step 6: Final answer
x = 101,765,719.56
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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.