Finding the Fourth Proportional to 107,725,529.02, 148,664,898.57 and 63,710,258.62
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Solution
The fourth proportional to 107,725,529.02, 148,664,898.57 and 63,710,258.62 is: 87,922,326.51
Step by Step Solution
- Step 1: Write the proportion equation
107,725,529.02 : 148,664,898.57 = 63,710,258.62 : x - Step 2: Convert to fraction form
107,725,529.02/148,664,898.57 = 63,710,258.62/x - Step 3: Cross multiply
107,725,529.02x = 148,664,898.57 × 63,710,258.62 - Step 4: Simplify right side
107,725,529.02x = 9,471,479,135,610,768 - Step 5: Solve for x
x = 9,471,479,135,610,768/107,725,529.02 - Step 6: Final answer
x = 87,922,326.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.