Finding the Fourth Proportional to 98,055,691.98, 135,331,566.06 and 74,495,458.68
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Solution
The fourth proportional to 98,055,691.98, 135,331,566.06 and 74,495,458.68 is: 102,814,909.40
Step by Step Solution
- Step 1: Write the proportion equation
98,055,691.98 : 135,331,566.06 = 74,495,458.68 : x - Step 2: Convert to fraction form
98,055,691.98/135,331,566.06 = 74,495,458.68/x - Step 3: Cross multiply
98,055,691.98x = 135,331,566.06 × 74,495,458.68 - Step 4: Simplify right side
98,055,691.98x = 10,081,587,087,522,422 - Step 5: Solve for x
x = 10,081,587,087,522,422/98,055,691.98 - Step 6: Final answer
x = 102,814,909.40
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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.