Finding the Fourth Proportional to 298,927,237.80, 448,390,856.70 and 137,684,101.80
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Solution
The fourth proportional to 298,927,237.80, 448,390,856.70 and 137,684,101.80 is: 206,526,152.70
Step by Step Solution
- Step 1: Write the proportion equation
298,927,237.80 : 448,390,856.70 = 137,684,101.80 : x - Step 2: Convert to fraction form
298,927,237.80/448,390,856.70 = 137,684,101.80/x - Step 3: Cross multiply
298,927,237.80x = 448,390,856.70 × 137,684,101.80 - Step 4: Simplify right side
298,927,237.80x = 61,736,292,360,072,016 - Step 5: Solve for x
x = 61,736,292,360,072,016/298,927,237.80 - Step 6: Final answer
x = 206,526,152.70
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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.