Finding the Fourth Proportional to 159,438,702.06, 239,158,055.82 and 38,270,154.06
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Solution
The fourth proportional to 159,438,702.06, 239,158,055.82 and 38,270,154.06 is: 57,405,231.75
Step by Step Solution
- Step 1: Write the proportion equation
159,438,702.06 : 239,158,055.82 = 38,270,154.06 : x - Step 2: Convert to fraction form
159,438,702.06/239,158,055.82 = 38,270,154.06/x - Step 3: Cross multiply
159,438,702.06x = 239,158,055.82 × 38,270,154.06 - Step 4: Simplify right side
159,438,702.06x = 9,152,615,640,921,480 - Step 5: Solve for x
x = 9,152,615,640,921,480/159,438,702.06 - Step 6: Final answer
x = 57,405,231.75
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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.