Finding the Fourth Proportional to 198,909,136.55, 274,502,878.43 and 110,803,110.23
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Solution
The fourth proportional to 198,909,136.55, 274,502,878.43 and 110,803,110.23 is: 152,912,898.95
Step by Step Solution
- Step 1: Write the proportion equation
198,909,136.55 : 274,502,878.43 = 110,803,110.23 : x - Step 2: Convert to fraction form
198,909,136.55/274,502,878.43 = 110,803,110.23/x - Step 3: Cross multiply
198,909,136.55x = 274,502,878.43 × 110,803,110.23 - Step 4: Simplify right side
198,909,136.55x = 30,415,772,697,263,824 - Step 5: Solve for x
x = 30,415,772,697,263,824/198,909,136.55 - Step 6: Final answer
x = 152,912,898.95
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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.