Finding the Fourth Proportional to 99,072,317.54, 136,703,392.26 and 57,260,273.66
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Solution
The fourth proportional to 99,072,317.54, 136,703,392.26 and 57,260,273.66 is: 79,009,695.59
Step by Step Solution
- Step 1: Write the proportion equation
99,072,317.54 : 136,703,392.26 = 57,260,273.66 : x - Step 2: Convert to fraction form
99,072,317.54/136,703,392.26 = 57,260,273.66/x - Step 3: Cross multiply
99,072,317.54x = 136,703,392.26 × 57,260,273.66 - Step 4: Simplify right side
99,072,317.54x = 7,827,673,650,712,402 - Step 5: Solve for x
x = 7,827,673,650,712,402/99,072,317.54 - Step 6: Final answer
x = 79,009,695.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.