Finding the Fourth Proportional to 153,590,079.18, 230,549,063.99 and 66,194,726.70
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Solution
The fourth proportional to 153,590,079.18, 230,549,063.99 and 66,194,726.70 is: 99,362,747.67
Step by Step Solution
- Step 1: Write the proportion equation
153,590,079.18 : 230,549,063.99 = 66,194,726.70 : x - Step 2: Convert to fraction form
153,590,079.18/230,549,063.99 = 66,194,726.70/x - Step 3: Cross multiply
153,590,079.18x = 230,549,063.99 × 66,194,726.70 - Step 4: Simplify right side
153,590,079.18x = 15,261,132,281,427,890 - Step 5: Solve for x
x = 15,261,132,281,427,890/153,590,079.18 - Step 6: Final answer
x = 99,362,747.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.