Finding the Fourth Proportional to 124,167,372.12, 186,330,774.63 and 83,272,987.17
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Solution
The fourth proportional to 124,167,372.12, 186,330,774.63 and 83,272,987.17 is: 124,962,942.68
Step by Step Solution
- Step 1: Write the proportion equation
124,167,372.12 : 186,330,774.63 = 83,272,987.17 : x - Step 2: Convert to fraction form
124,167,372.12/186,330,774.63 = 83,272,987.17/x - Step 3: Cross multiply
124,167,372.12x = 186,330,774.63 × 83,272,987.17 - Step 4: Simplify right side
124,167,372.12x = 15,516,320,205,452,424 - Step 5: Solve for x
x = 15,516,320,205,452,424/124,167,372.12 - Step 6: Final answer
x = 124,962,942.68
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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.