Finding the Fourth Proportional to 159,659,729.76, 239,487,495.12 and 38,490,209.76
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Solution
The fourth proportional to 159,659,729.76, 239,487,495.12 and 38,490,209.76 is: 57,734,808.50
Step by Step Solution
- Step 1: Write the proportion equation
159,659,729.76 : 239,487,495.12 = 38,490,209.76 : x - Step 2: Convert to fraction form
159,659,729.76/239,487,495.12 = 38,490,209.76/x - Step 3: Cross multiply
159,659,729.76x = 239,487,495.12 × 38,490,209.76 - Step 4: Simplify right side
159,659,729.76x = 9,217,923,922,065,776 - Step 5: Solve for x
x = 9,217,923,922,065,776/159,659,729.76 - Step 6: Final answer
x = 57,734,808.50
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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.