Finding the Fourth Proportional to 134,351,686.19, 185,385,329.98 and 75,610,848.13
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Solution
The fourth proportional to 134,351,686.19, 185,385,329.98 and 75,610,848.13 is: 104,331,716.46
Step by Step Solution
- Step 1: Write the proportion equation
134,351,686.19 : 185,385,329.98 = 75,610,848.13 : x - Step 2: Convert to fraction form
134,351,686.19/185,385,329.98 = 75,610,848.13/x - Step 3: Cross multiply
134,351,686.19x = 185,385,329.98 × 75,610,848.13 - Step 4: Simplify right side
134,351,686.19x = 14,017,142,029,995,224 - Step 5: Solve for x
x = 14,017,142,029,995,224/134,351,686.19 - Step 6: Final answer
x = 104,331,716.46
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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.