Finding the Fourth Proportional to 197,424,306.11, 272,442,215.21 and 109,316,411.53
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Solution
The fourth proportional to 197,424,306.11, 272,442,215.21 and 109,316,411.53 is: 150,854,805.58
Step by Step Solution
- Step 1: Write the proportion equation
197,424,306.11 : 272,442,215.21 = 109,316,411.53 : x - Step 2: Convert to fraction form
197,424,306.11/272,442,215.21 = 109,316,411.53/x - Step 3: Cross multiply
197,424,306.11x = 272,442,215.21 × 109,316,411.53 - Step 4: Simplify right side
197,424,306.11x = 29,782,405,314,813,496 - Step 5: Solve for x
x = 29,782,405,314,813,496/197,424,306.11 - Step 6: Final answer
x = 150,854,805.58
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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.