Finding the Fourth Proportional to 191,225,501.40, 286,838,252.10 and 122,350,747.80
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Solution
The fourth proportional to 191,225,501.40, 286,838,252.10 and 122,350,747.80 is: 183,526,121.70
Step by Step Solution
- Step 1: Write the proportion equation
191,225,501.40 : 286,838,252.10 = 122,350,747.80 : x - Step 2: Convert to fraction form
191,225,501.40/286,838,252.10 = 122,350,747.80/x - Step 3: Cross multiply
191,225,501.40x = 286,838,252.10 × 122,350,747.80 - Step 4: Simplify right side
191,225,501.40x = 35,094,874,642,079,924 - Step 5: Solve for x
x = 35,094,874,642,079,924/191,225,501.40 - Step 6: Final answer
x = 183,526,121.70
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1.5x scale
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.