Finding the Fourth Proportional to 48,683,545.57, 72,909,392.16 and 28,170,033.53
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Solution
The fourth proportional to 48,683,545.57, 72,909,392.16 and 28,170,033.53 is: 42,187,971.27
Step by Step Solution
- Step 1: Write the proportion equation
48,683,545.57 : 72,909,392.16 = 28,170,033.53 : x - Step 2: Convert to fraction form
48,683,545.57/72,909,392.16 = 28,170,033.53/x - Step 3: Cross multiply
48,683,545.57x = 72,909,392.16 × 28,170,033.53 - Step 4: Simplify right side
48,683,545.57x = 2,053,860,021,799,119 - Step 5: Solve for x
x = 2,053,860,021,799,119/48,683,545.57 - Step 6: Final answer
x = 42,187,971.27
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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.