Finding the Fourth Proportional to 98,696,865.70, 148,364,163.15 and 91,044,115.30
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Solution
The fourth proportional to 98,696,865.70, 148,364,163.15 and 91,044,115.30 is: 136,860,313.45
Step by Step Solution
- Step 1: Write the proportion equation
98,696,865.70 : 148,364,163.15 = 91,044,115.30 : x - Step 2: Convert to fraction form
98,696,865.70/148,364,163.15 = 91,044,115.30/x - Step 3: Cross multiply
98,696,865.70x = 148,364,163.15 × 91,044,115.30 - Step 4: Simplify right side
98,696,865.70x = 13,507,683,976,216,612 - Step 5: Solve for x
x = 13,507,683,976,216,612/98,696,865.70 - Step 6: Final answer
x = 136,860,313.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.