Finding the Fourth Proportional to 106,965,011.86, 147,750,183.32 and 88,454,921.84
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Solution
The fourth proportional to 106,965,011.86, 147,750,183.32 and 88,454,921.84 is: 122,182,297.65
Step by Step Solution
- Step 1: Write the proportion equation
106,965,011.86 : 147,750,183.32 = 88,454,921.84 : x - Step 2: Convert to fraction form
106,965,011.86/147,750,183.32 = 88,454,921.84/x - Step 3: Cross multiply
106,965,011.86x = 147,750,183.32 × 88,454,921.84 - Step 4: Simplify right side
106,965,011.86x = 13,069,230,917,416,272 - Step 5: Solve for x
x = 13,069,230,917,416,272/106,965,011.86 - Step 6: Final answer
x = 122,182,297.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.