Finding the Fourth Proportional to 74,896,067.70, 112,344,101.55 and 54,740,675.70
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Solution
The fourth proportional to 74,896,067.70, 112,344,101.55 and 54,740,675.70 is: 82,111,013.55
Step by Step Solution
- Step 1: Write the proportion equation
74,896,067.70 : 112,344,101.55 = 54,740,675.70 : x - Step 2: Convert to fraction form
74,896,067.70/112,344,101.55 = 54,740,675.70/x - Step 3: Cross multiply
74,896,067.70x = 112,344,101.55 × 54,740,675.70 - Step 4: Simplify right side
74,896,067.70x = 6,149,792,029,756,418 - Step 5: Solve for x
x = 6,149,792,029,756,418/74,896,067.70 - Step 6: Final answer
x = 82,111,013.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.