Finding the Fourth Proportional to 124,167,372.62, 186,330,775.39 and 83,272,987.67
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Solution
The fourth proportional to 124,167,372.62, 186,330,775.39 and 83,272,987.67 is: 124,962,943.43
Step by Step Solution
- Step 1: Write the proportion equation
124,167,372.62 : 186,330,775.39 = 83,272,987.67 : x - Step 2: Convert to fraction form
124,167,372.62/186,330,775.39 = 83,272,987.67/x - Step 3: Cross multiply
124,167,372.62x = 186,330,775.39 × 83,272,987.67 - Step 4: Simplify right side
124,167,372.62x = 15,516,320,361,176,644 - Step 5: Solve for x
x = 15,516,320,361,176,644/124,167,372.62 - Step 6: Final answer
x = 124,962,943.43
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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.