Finding the Fourth Proportional to 69,564,129.40, 104,308,869.30 and 29,128,929.40
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Solution
The fourth proportional to 69,564,129.40, 104,308,869.30 and 29,128,929.40 is: 43,677,764.90
Step by Step Solution
- Step 1: Write the proportion equation
69,564,129.40 : 104,308,869.30 = 29,128,929.40 : x - Step 2: Convert to fraction form
69,564,129.40/104,308,869.30 = 29,128,929.40/x - Step 3: Cross multiply
69,564,129.40x = 104,308,869.30 × 29,128,929.40 - Step 4: Simplify right side
69,564,129.40x = 3,038,405,689,633,527 - Step 5: Solve for x
x = 3,038,405,689,633,527/69,564,129.40 - Step 6: Final answer
x = 43,677,764.90
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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.