Finding the Fourth Proportional to 101,500,557.99, 140,046,752.60 and 57,447,558.09
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Solution
The fourth proportional to 101,500,557.99, 140,046,752.60 and 57,447,558.09 is: 79,264,036.71
Step by Step Solution
- Step 1: Write the proportion equation
101,500,557.99 : 140,046,752.60 = 57,447,558.09 : x - Step 2: Convert to fraction form
101,500,557.99/140,046,752.60 = 57,447,558.09/x - Step 3: Cross multiply
101,500,557.99x = 140,046,752.60 × 57,447,558.09 - Step 4: Simplify right side
101,500,557.99x = 8,045,343,955,017,121 - Step 5: Solve for x
x = 8,045,343,955,017,121/101,500,557.99 - Step 6: Final answer
x = 79,264,036.71
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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.