Finding the Fourth Proportional to 67,487,972.75, 101,249,221.85 and 19,618,916.75
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Solution
The fourth proportional to 67,487,972.75, 101,249,221.85 and 19,618,916.75 is: 29,433,393.44
Step by Step Solution
- Step 1: Write the proportion equation
67,487,972.75 : 101,249,221.85 = 19,618,916.75 : x - Step 2: Convert to fraction form
67,487,972.75/101,249,221.85 = 19,618,916.75/x - Step 3: Cross multiply
67,487,972.75x = 101,249,221.85 × 19,618,916.75 - Step 4: Simplify right side
67,487,972.75x = 1,986,400,054,477,430.75 - Step 5: Solve for x
x = 1,986,400,054,477,430.75/67,487,972.75 - Step 6: Final answer
x = 29,433,393.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.