Finding the Fourth Proportional to 117,875,905.80, 176,813,858.70 and 98,744,029.80
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Solution
The fourth proportional to 117,875,905.80, 176,813,858.70 and 98,744,029.80 is: 148,116,044.70
Step by Step Solution
- Step 1: Write the proportion equation
117,875,905.80 : 176,813,858.70 = 98,744,029.80 : x - Step 2: Convert to fraction form
117,875,905.80/176,813,858.70 = 98,744,029.80/x - Step 3: Cross multiply
117,875,905.80x = 176,813,858.70 × 98,744,029.80 - Step 4: Simplify right side
117,875,905.80x = 17,459,312,932,525,788 - Step 5: Solve for x
x = 17,459,312,932,525,788/117,875,905.80 - Step 6: Final answer
x = 148,116,044.70
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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.