Finding the Fourth Proportional to 115,919,938.08, 173,911,267.08 and 39,242,972.88
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Solution
The fourth proportional to 115,919,938.08, 173,911,267.08 and 39,242,972.88 is: 58,875,075.77
Step by Step Solution
- Step 1: Write the proportion equation
115,919,938.08 : 173,911,267.08 = 39,242,972.88 : x - Step 2: Convert to fraction form
115,919,938.08/173,911,267.08 = 39,242,972.88/x - Step 3: Cross multiply
115,919,938.08x = 173,911,267.08 × 39,242,972.88 - Step 4: Simplify right side
115,919,938.08x = 6,824,795,137,546,878 - Step 5: Solve for x
x = 6,824,795,137,546,878/115,919,938.08 - Step 6: Final answer
x = 58,875,075.77
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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.