Finding the Fourth Proportional to 63,982,690.12, 88,306,670.46 and 39,216,653.20
Calculator
Solution
The fourth proportional to 63,982,690.12, 88,306,670.46 and 39,216,653.20 is: 54,125,452.75
Step by Step Solution
- Step 1: Write the proportion equation
63,982,690.12 : 88,306,670.46 = 39,216,653.20 : x - Step 2: Convert to fraction form
63,982,690.12/88,306,670.46 = 39,216,653.20/x - Step 3: Cross multiply
63,982,690.12x = 88,306,670.46 × 39,216,653.20 - Step 4: Simplify right side
63,982,690.12x = 3,463,092,070,676,504.50 - Step 5: Solve for x
x = 3,463,092,070,676,504.50/63,982,690.12 - Step 6: Final answer
x = 54,125,452.75
Related Problems
Find fourth proportional to 31,991,345.06, 44,153,335.23 and 19,608,326.60
Half scale
Find fourth proportional to 127,965,380.24, 176,613,340.92 and 78,433,306.40
Double scale
Find fourth proportional to 63,982,691.12, 88,306,671.84 and 39,216,654.20
Similar ratio
Find fourth proportional to 95,974,035.18, 132,460,005.69 and 58,824,979.80
1.5x scale
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.