Finding the Fourth Proportional to 115,698,618.14, 159,663,655.04 and 63,488,527.52
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Solution
The fourth proportional to 115,698,618.14, 159,663,655.04 and 63,488,527.52 is: 87,613,927.63
Step by Step Solution
- Step 1: Write the proportion equation
115,698,618.14 : 159,663,655.04 = 63,488,527.52 : x - Step 2: Convert to fraction form
115,698,618.14/159,663,655.04 = 63,488,527.52/x - Step 3: Cross multiply
115,698,618.14x = 159,663,655.04 × 63,488,527.52 - Step 4: Simplify right side
115,698,618.14x = 10,136,810,356,950,826 - Step 5: Solve for x
x = 10,136,810,356,950,826/115,698,618.14 - Step 6: Final answer
x = 87,613,927.63
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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.