Finding the Fourth Proportional to 153,366,114.94, 211,663,400.07 and 86,387,277.58
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Solution
The fourth proportional to 153,366,114.94, 211,663,400.07 and 86,387,277.58 is: 119,224,672.95
Step by Step Solution
- Step 1: Write the proportion equation
153,366,114.94 : 211,663,400.07 = 86,387,277.58 : x - Step 2: Convert to fraction form
153,366,114.94/211,663,400.07 = 86,387,277.58/x - Step 3: Cross multiply
153,366,114.94x = 211,663,400.07 × 86,387,277.58 - Step 4: Simplify right side
153,366,114.94x = 18,285,024,895,373,680 - Step 5: Solve for x
x = 18,285,024,895,373,680/153,366,114.94 - Step 6: Final answer
x = 119,224,672.95
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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.