Finding the Fourth Proportional to 195,607,819.80, 293,411,729.70 and 104,908,555.80
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Solution
The fourth proportional to 195,607,819.80, 293,411,729.70 and 104,908,555.80 is: 157,362,833.70
Step by Step Solution
- Step 1: Write the proportion equation
195,607,819.80 : 293,411,729.70 = 104,908,555.80 : x - Step 2: Convert to fraction form
195,607,819.80/293,411,729.70 = 104,908,555.80/x - Step 3: Cross multiply
195,607,819.80x = 293,411,729.70 × 104,908,555.80 - Step 4: Simplify right side
195,607,819.80x = 30,781,400,817,606,964 - Step 5: Solve for x
x = 30,781,400,817,606,964/195,607,819.80 - Step 6: Final answer
x = 157,362,833.70
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1.5x scale
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.