Finding the Fourth Proportional to 158,782,979.06, 238,148,051.45 and 48,092,331.84
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Solution
The fourth proportional to 158,782,979.06, 238,148,051.45 and 48,092,331.84 is: 72,130,496.50
Step by Step Solution
- Step 1: Write the proportion equation
158,782,979.06 : 238,148,051.45 = 48,092,331.84 : x - Step 2: Convert to fraction form
158,782,979.06/238,148,051.45 = 48,092,331.84/x - Step 3: Cross multiply
158,782,979.06x = 238,148,051.45 × 48,092,331.84 - Step 4: Simplify right side
158,782,979.06x = 11,453,095,116,071,822 - Step 5: Solve for x
x = 11,453,095,116,071,822/158,782,979.06 - Step 6: Final answer
x = 72,130,496.50
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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.