Finding the Fourth Proportional to 177,863,695.20, 245,459,570.64 and 98,478,756.24
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Solution
The fourth proportional to 177,863,695.20, 245,459,570.64 and 98,478,756.24 is: 135,904,931.00
Step by Step Solution
- Step 1: Write the proportion equation
177,863,695.20 : 245,459,570.64 = 98,478,756.24 : x - Step 2: Convert to fraction form
177,863,695.20/245,459,570.64 = 98,478,756.24/x - Step 3: Cross multiply
177,863,695.20x = 245,459,570.64 × 98,478,756.24 - Step 4: Simplify right side
177,863,695.20x = 24,172,553,223,831,620 - Step 5: Solve for x
x = 24,172,553,223,831,620/177,863,695.20 - Step 6: Final answer
x = 135,904,931.00
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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.