Finding the Fourth Proportional to 69,887,430.58, 96,416,245.85 and 46,377,054.18
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Solution
The fourth proportional to 69,887,430.58, 96,416,245.85 and 46,377,054.18 is: 63,981,483.09
Step by Step Solution
- Step 1: Write the proportion equation
69,887,430.58 : 96,416,245.85 = 46,377,054.18 : x - Step 2: Convert to fraction form
69,887,430.58/96,416,245.85 = 46,377,054.18/x - Step 3: Cross multiply
69,887,430.58x = 96,416,245.85 × 46,377,054.18 - Step 4: Simplify right side
69,887,430.58x = 4,471,501,457,617,650 - Step 5: Solve for x
x = 4,471,501,457,617,650/69,887,430.58 - Step 6: Final answer
x = 63,981,483.09
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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.