Finding the Fourth Proportional to 108,700,663.79, 163,153,151.36 and 56,922,430.95
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Solution
The fourth proportional to 108,700,663.79, 163,153,151.36 and 56,922,430.95 is: 85,437,141.49
Step by Step Solution
- Step 1: Write the proportion equation
108,700,663.79 : 163,153,151.36 = 56,922,430.95 : x - Step 2: Convert to fraction form
108,700,663.79/163,153,151.36 = 56,922,430.95/x - Step 3: Cross multiply
108,700,663.79x = 163,153,151.36 × 56,922,430.95 - Step 4: Simplify right side
108,700,663.79x = 9,287,073,992,279,886 - Step 5: Solve for x
x = 9,287,073,992,279,886/108,700,663.79 - Step 6: Final answer
x = 85,437,141.49
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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.