Finding the Fourth Proportional to 71,917,224.36, 99,272,758.74 and 47,139,008
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Solution
The fourth proportional to 71,917,224.36, 99,272,758.74 and 47,139,008 is: 65,069,521.38
Step by Step Solution
- Step 1: Write the proportion equation
71,917,224.36 : 99,272,758.74 = 47,139,008 : x - Step 2: Convert to fraction form
71,917,224.36/99,272,758.74 = 47,139,008/x - Step 3: Cross multiply
71,917,224.36x = 99,272,758.74 × 47,139,008 - Step 4: Simplify right side
71,917,224.36x = 4,679,619,368,426,930 - Step 5: Solve for x
x = 4,679,619,368,426,930/71,917,224.36 - Step 6: Final answer
x = 65,069,521.38
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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.