Finding the Fourth Proportional to 125,878,588.48, 188,838,060.68 and 53,106,088.46
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Solution
The fourth proportional to 125,878,588.48, 188,838,060.68 and 53,106,088.46 is: 79,667,645.44
Step by Step Solution
- Step 1: Write the proportion equation
125,878,588.48 : 188,838,060.68 = 53,106,088.46 : x - Step 2: Convert to fraction form
125,878,588.48/188,838,060.68 = 53,106,088.46/x - Step 3: Cross multiply
125,878,588.48x = 188,838,060.68 × 53,106,088.46 - Step 4: Simplify right side
125,878,588.48x = 10,028,450,755,086,928 - Step 5: Solve for x
x = 10,028,450,755,086,928/125,878,588.48 - Step 6: Final answer
x = 79,667,645.44
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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.