Finding the Fourth Proportional to 135,960,319.24, 187,625,267.52 and 74,080,657.80
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Solution
The fourth proportional to 135,960,319.24, 187,625,267.52 and 74,080,657.80 is: 102,231,322.46
Step by Step Solution
- Step 1: Write the proportion equation
135,960,319.24 : 187,625,267.52 = 74,080,657.80 : x - Step 2: Convert to fraction form
135,960,319.24/187,625,267.52 = 74,080,657.80/x - Step 3: Cross multiply
135,960,319.24x = 187,625,267.52 × 74,080,657.80 - Step 4: Simplify right side
135,960,319.24x = 13,899,403,237,782,574 - Step 5: Solve for x
x = 13,899,403,237,782,574/135,960,319.24 - Step 6: Final answer
x = 102,231,322.46
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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.