Finding the Fourth Proportional to 99,358,525.68, 149,029,250.72 and 60,486,888.48
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Solution
The fourth proportional to 99,358,525.68, 149,029,250.72 and 60,486,888.48 is: 90,725,135.13
Step by Step Solution
- Step 1: Write the proportion equation
99,358,525.68 : 149,029,250.72 = 60,486,888.48 : x - Step 2: Convert to fraction form
99,358,525.68/149,029,250.72 = 60,486,888.48/x - Step 3: Cross multiply
99,358,525.68x = 149,029,250.72 × 60,486,888.48 - Step 4: Simplify right side
99,358,525.68x = 9,014,315,668,558,600 - Step 5: Solve for x
x = 9,014,315,668,558,600/99,358,525.68 - Step 6: Final answer
x = 90,725,135.13
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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.