Finding the Fourth Proportional to 97,769,038.80, 146,765,532.60 and 57,402,267.60
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Solution
The fourth proportional to 97,769,038.80, 146,765,532.60 and 57,402,267.60 is: 86,169,143.94
Step by Step Solution
- Step 1: Write the proportion equation
97,769,038.80 : 146,765,532.60 = 57,402,267.60 : x - Step 2: Convert to fraction form
97,769,038.80/146,765,532.60 = 57,402,267.60/x - Step 3: Cross multiply
97,769,038.80x = 146,765,532.60 × 57,402,267.60 - Step 4: Simplify right side
97,769,038.80x = 8,424,674,376,761,724 - Step 5: Solve for x
x = 8,424,674,376,761,724/97,769,038.80 - Step 6: Final answer
x = 86,169,143.94
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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.