Finding the Fourth Proportional to 88,689,309.62, 133,003,149.59 and 49,357,579.91
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Solution
The fourth proportional to 88,689,309.62, 133,003,149.59 and 49,357,579.91 is: 74,019,220.72
Step by Step Solution
- Step 1: Write the proportion equation
88,689,309.62 : 133,003,149.59 = 49,357,579.91 : x - Step 2: Convert to fraction form
88,689,309.62/133,003,149.59 = 49,357,579.91/x - Step 3: Cross multiply
88,689,309.62x = 133,003,149.59 × 49,357,579.91 - Step 4: Simplify right side
88,689,309.62x = 6,564,713,583,628,487 - Step 5: Solve for x
x = 6,564,713,583,628,487/88,689,309.62 - Step 6: Final answer
x = 74,019,220.72
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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.