Finding the Fourth Proportional to 76,973,175.80, 106,182,710.64 and 47,595,117.32
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Solution
The fourth proportional to 76,973,175.80, 106,182,710.64 and 47,595,117.32 is: 65,656,360.38
Step by Step Solution
- Step 1: Write the proportion equation
76,973,175.80 : 106,182,710.64 = 47,595,117.32 : x - Step 2: Convert to fraction form
76,973,175.80/106,182,710.64 = 47,595,117.32/x - Step 3: Cross multiply
76,973,175.80x = 106,182,710.64 × 47,595,117.32 - Step 4: Simplify right side
76,973,175.80x = 5,053,778,570,266,412 - Step 5: Solve for x
x = 5,053,778,570,266,412/76,973,175.80 - Step 6: Final answer
x = 65,656,360.38
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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.