Finding the Fourth Proportional to 75,502,750.80, 112,702,927.42 and 64,788,900.24
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Solution
The fourth proportional to 75,502,750.80, 112,702,927.42 and 64,788,900.24 is: 96,710,366.76
Step by Step Solution
- Step 1: Write the proportion equation
75,502,750.80 : 112,702,927.42 = 64,788,900.24 : x - Step 2: Convert to fraction form
75,502,750.80/112,702,927.42 = 64,788,900.24/x - Step 3: Cross multiply
75,502,750.80x = 112,702,927.42 × 64,788,900.24 - Step 4: Simplify right side
75,502,750.80x = 7,301,898,721,370,341 - Step 5: Solve for x
x = 7,301,898,721,370,341/75,502,750.80 - Step 6: Final answer
x = 96,710,366.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.