Finding the Fourth Proportional to 99,636,638.95, 149,449,641.58 and 26,852,251.87
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Solution
The fourth proportional to 99,636,638.95, 149,449,641.58 and 26,852,251.87 is: 40,276,944.91
Step by Step Solution
- Step 1: Write the proportion equation
99,636,638.95 : 149,449,641.58 = 26,852,251.87 : x - Step 2: Convert to fraction form
99,636,638.95/149,449,641.58 = 26,852,251.87/x - Step 3: Cross multiply
99,636,638.95x = 149,449,641.58 × 26,852,251.87 - Step 4: Simplify right side
99,636,638.95x = 4,013,059,417,587,385.50 - Step 5: Solve for x
x = 4,013,059,417,587,385.50/99,636,638.95 - Step 6: Final answer
x = 40,276,944.91
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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.