Finding the Fourth Proportional to 75,692,235.70, 104,455,327.04 and 40,884,926.10
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Solution
The fourth proportional to 75,692,235.70, 104,455,327.04 and 40,884,926.10 is: 56,421,220.58
Step by Step Solution
- Step 1: Write the proportion equation
75,692,235.70 : 104,455,327.04 = 40,884,926.10 : x - Step 2: Convert to fraction form
75,692,235.70/104,455,327.04 = 40,884,926.10/x - Step 3: Cross multiply
75,692,235.70x = 104,455,327.04 × 40,884,926.10 - Step 4: Simplify right side
75,692,235.70x = 4,270,648,326,781,732 - Step 5: Solve for x
x = 4,270,648,326,781,732/75,692,235.70 - Step 6: Final answer
x = 56,421,220.58
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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.