Finding the Fourth Proportional to 84,266,159.40, 126,399,239.10 and 58,735,996.20
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Solution
The fourth proportional to 84,266,159.40, 126,399,239.10 and 58,735,996.20 is: 88,103,994.30
Step by Step Solution
- Step 1: Write the proportion equation
84,266,159.40 : 126,399,239.10 = 58,735,996.20 : x - Step 2: Convert to fraction form
84,266,159.40/126,399,239.10 = 58,735,996.20/x - Step 3: Cross multiply
84,266,159.40x = 126,399,239.10 × 58,735,996.20 - Step 4: Simplify right side
84,266,159.40x = 7,424,185,227,460,491 - Step 5: Solve for x
x = 7,424,185,227,460,491/84,266,159.40 - Step 6: Final answer
x = 88,103,994.30
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1.5x scale
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.