Finding the Fourth Proportional to 197,834,403.24, 272,696,028.84 and 155,950,165.08
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Solution
The fourth proportional to 197,834,403.24, 272,696,028.84 and 155,950,165.08 is: 214,962,564.74
Step by Step Solution
- Step 1: Write the proportion equation
197,834,403.24 : 272,696,028.84 = 155,950,165.08 : x - Step 2: Convert to fraction form
197,834,403.24/272,696,028.84 = 155,950,165.08/x - Step 3: Cross multiply
197,834,403.24x = 272,696,028.84 × 155,950,165.08 - Step 4: Simplify right side
197,834,403.24x = 42,526,990,714,258,440 - Step 5: Solve for x
x = 42,526,990,714,258,440/197,834,403.24 - Step 6: Final answer
x = 214,962,564.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.