Finding the Fourth Proportional to 70,957,730.70, 106,237,530.45 and 68,967,074.70
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Solution
The fourth proportional to 70,957,730.70, 106,237,530.45 and 68,967,074.70 is: 103,257,131.06
Step by Step Solution
- Step 1: Write the proportion equation
70,957,730.70 : 106,237,530.45 = 68,967,074.70 : x - Step 2: Convert to fraction form
70,957,730.70/106,237,530.45 = 68,967,074.70/x - Step 3: Cross multiply
70,957,730.70x = 106,237,530.45 × 68,967,074.70 - Step 4: Simplify right side
70,957,730.70x = 7,326,891,698,488,675 - Step 5: Solve for x
x = 7,326,891,698,488,675/70,957,730.70 - Step 6: Final answer
x = 103,257,131.06
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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.