Finding the Fourth Proportional to 199,354,401.60, 299,087,589.60 and 97,121,774.40
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Solution
The fourth proportional to 199,354,401.60, 299,087,589.60 and 97,121,774.40 is: 145,709,937.53
Step by Step Solution
- Step 1: Write the proportion equation
199,354,401.60 : 299,087,589.60 = 97,121,774.40 : x - Step 2: Convert to fraction form
199,354,401.60/299,087,589.60 = 97,121,774.40/x - Step 3: Cross multiply
199,354,401.60x = 299,087,589.60 × 97,121,774.40 - Step 4: Simplify right side
199,354,401.60x = 29,047,917,402,970,992 - Step 5: Solve for x
x = 29,047,917,402,970,992/199,354,401.60 - Step 6: Final answer
x = 145,709,937.53
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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.