Finding the Fourth Proportional to 212,956,038.96, 319,402,089 and 67,370,683.68
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Solution
The fourth proportional to 212,956,038.96, 319,402,089 and 67,370,683.68 is: 101,045,911.68
Step by Step Solution
- Step 1: Write the proportion equation
212,956,038.96 : 319,402,089 = 67,370,683.68 : x - Step 2: Convert to fraction form
212,956,038.96/319,402,089 = 67,370,683.68/x - Step 3: Cross multiply
212,956,038.96x = 319,402,089 × 67,370,683.68 - Step 4: Simplify right side
212,956,038.96x = 21,518,337,104,750,208 - Step 5: Solve for x
x = 21,518,337,104,750,208/212,956,038.96 - Step 6: Final answer
x = 101,045,911.68
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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.