Finding the Fourth Proportional to 105,203,296.99, 145,156,461.77 and 62,808,605.44
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Solution
The fourth proportional to 105,203,296.99, 145,156,461.77 and 62,808,605.44 is: 86,661,494.41
Step by Step Solution
- Step 1: Write the proportion equation
105,203,296.99 : 145,156,461.77 = 62,808,605.44 : x - Step 2: Convert to fraction form
105,203,296.99/145,156,461.77 = 62,808,605.44/x - Step 3: Cross multiply
105,203,296.99x = 145,156,461.77 × 62,808,605.44 - Step 4: Simplify right side
105,203,296.99x = 9,117,074,934,378,374 - Step 5: Solve for x
x = 9,117,074,934,378,374/105,203,296.99 - Step 6: Final answer
x = 86,661,494.41
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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.