Finding the Fourth Proportional to 88,926,557.99, 122,731,538.36 and 51,242,390.45
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Solution
The fourth proportional to 88,926,557.99, 122,731,538.36 and 51,242,390.45 is: 70,721,925.50
Step by Step Solution
- Step 1: Write the proportion equation
88,926,557.99 : 122,731,538.36 = 51,242,390.45 : x - Step 2: Convert to fraction form
88,926,557.99/122,731,538.36 = 51,242,390.45/x - Step 3: Cross multiply
88,926,557.99x = 122,731,538.36 × 51,242,390.45 - Step 4: Simplify right side
88,926,557.99x = 6,289,057,409,172,273 - Step 5: Solve for x
x = 6,289,057,409,172,273/88,926,557.99 - Step 6: Final answer
x = 70,721,925.50
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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.