Finding the Fourth Proportional to 71,917,225.36, 99,272,760.12 and 47,139,009
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Solution
The fourth proportional to 71,917,225.36, 99,272,760.12 and 47,139,009 is: 65,069,522.76
Step by Step Solution
- Step 1: Write the proportion equation
71,917,225.36 : 99,272,760.12 = 47,139,009 : x - Step 2: Convert to fraction form
71,917,225.36/99,272,760.12 = 47,139,009/x - Step 3: Cross multiply
71,917,225.36x = 99,272,760.12 × 47,139,009 - Step 4: Simplify right side
71,917,225.36x = 4,679,619,532,751,521 - Step 5: Solve for x
x = 4,679,619,532,751,521/71,917,225.36 - Step 6: Final answer
x = 65,069,522.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.