Finding the Fourth Proportional to 104,553,248.80, 156,829,873.20 and 53,418,272.80
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Solution
The fourth proportional to 104,553,248.80, 156,829,873.20 and 53,418,272.80 is: 80,127,409.20
Step by Step Solution
- Step 1: Write the proportion equation
104,553,248.80 : 156,829,873.20 = 53,418,272.80 : x - Step 2: Convert to fraction form
104,553,248.80/156,829,873.20 = 53,418,272.80/x - Step 3: Cross multiply
104,553,248.80x = 156,829,873.20 × 53,418,272.80 - Step 4: Simplify right side
104,553,248.80x = 8,377,580,949,787,008 - Step 5: Solve for x
x = 8,377,580,949,787,008/104,553,248.80 - Step 6: Final answer
x = 80,127,409.20
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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.