Finding the Fourth Proportional to 58,697,648.31, 81,034,202.73 and 45,256,957.99
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Solution
The fourth proportional to 58,697,648.31, 81,034,202.73 and 45,256,957.99 is: 62,478,849.05
Step by Step Solution
- Step 1: Write the proportion equation
58,697,648.31 : 81,034,202.73 = 45,256,957.99 : x - Step 2: Convert to fraction form
58,697,648.31/81,034,202.73 = 45,256,957.99/x - Step 3: Cross multiply
58,697,648.31x = 81,034,202.73 × 45,256,957.99 - Step 4: Simplify right side
58,697,648.31x = 3,667,361,508,658,715 - Step 5: Solve for x
x = 3,667,361,508,658,715/58,697,648.31 - Step 6: Final answer
x = 62,478,849.05
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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.