Finding the Fourth Proportional to 97,026,809.40, 145,540,214.10 and 89,090,623.80
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Solution
The fourth proportional to 97,026,809.40, 145,540,214.10 and 89,090,623.80 is: 133,635,935.70
Step by Step Solution
- Step 1: Write the proportion equation
97,026,809.40 : 145,540,214.10 = 89,090,623.80 : x - Step 2: Convert to fraction form
97,026,809.40/145,540,214.10 = 89,090,623.80/x - Step 3: Cross multiply
97,026,809.40x = 145,540,214.10 × 89,090,623.80 - Step 4: Simplify right side
97,026,809.40x = 12,966,268,462,154,554 - Step 5: Solve for x
x = 12,966,268,462,154,554/97,026,809.40 - Step 6: Final answer
x = 133,635,935.70
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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.