Finding the Fourth Proportional to 91,488,887.70, 137,107,360.35 and 60,695,927.70
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Solution
The fourth proportional to 91,488,887.70, 137,107,360.35 and 60,695,927.70 is: 90,960,319.23
Step by Step Solution
- Step 1: Write the proportion equation
91,488,887.70 : 137,107,360.35 = 60,695,927.70 : x - Step 2: Convert to fraction form
91,488,887.70/137,107,360.35 = 60,695,927.70/x - Step 3: Cross multiply
91,488,887.70x = 137,107,360.35 × 60,695,927.70 - Step 4: Simplify right side
91,488,887.70x = 8,321,858,430,941,447 - Step 5: Solve for x
x = 8,321,858,430,941,447/91,488,887.70 - Step 6: Final answer
x = 90,960,319.23
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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.