Finding the Fourth Proportional to 70,779,283.82, 106,172,709.19 and 22,260,921.09
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Solution
The fourth proportional to 70,779,283.82, 106,172,709.19 and 22,260,921.09 is: 33,392,571.57
Step by Step Solution
- Step 1: Write the proportion equation
70,779,283.82 : 106,172,709.19 = 22,260,921.09 : x - Step 2: Convert to fraction form
70,779,283.82/106,172,709.19 = 22,260,921.09/x - Step 3: Cross multiply
70,779,283.82x = 106,172,709.19 × 22,260,921.09 - Step 4: Simplify right side
70,779,283.82x = 2,363,502,300,736,308 - Step 5: Solve for x
x = 2,363,502,300,736,308/70,779,283.82 - Step 6: Final answer
x = 33,392,571.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.