Finding the Fourth Proportional to 135,440,046.79, 186,895,854.53 and 75,090,655.18
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Solution
The fourth proportional to 135,440,046.79, 186,895,854.53 and 75,090,655.18 is: 103,618,778.19
Step by Step Solution
- Step 1: Write the proportion equation
135,440,046.79 : 186,895,854.53 = 75,090,655.18 : x - Step 2: Convert to fraction form
135,440,046.79/186,895,854.53 = 75,090,655.18/x - Step 3: Cross multiply
135,440,046.79x = 186,895,854.53 × 75,090,655.18 - Step 4: Simplify right side
135,440,046.79x = 14,034,132,165,773,738 - Step 5: Solve for x
x = 14,034,132,165,773,738/135,440,046.79 - Step 6: Final answer
x = 103,618,778.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.