Finding the Fourth Proportional to 124,403,114.96, 171,710,448.84 and 72,208,965.76
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Solution
The fourth proportional to 124,403,114.96, 171,710,448.84 and 72,208,965.76 is: 99,668,195.00
Step by Step Solution
- Step 1: Write the proportion equation
124,403,114.96 : 171,710,448.84 = 72,208,965.76 : x - Step 2: Convert to fraction form
124,403,114.96/171,710,448.84 = 72,208,965.76/x - Step 3: Cross multiply
124,403,114.96x = 171,710,448.84 × 72,208,965.76 - Step 4: Simplify right side
124,403,114.96x = 12,399,033,920,921,792 - Step 5: Solve for x
x = 12,399,033,920,921,792/124,403,114.96 - Step 6: Final answer
x = 99,668,195.00
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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.