Finding the Fourth Proportional to 112,098,699.40, 168,148,049.10 and 94,242,281.80
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Solution
The fourth proportional to 112,098,699.40, 168,148,049.10 and 94,242,281.80 is: 141,363,422.70
Step by Step Solution
- Step 1: Write the proportion equation
112,098,699.40 : 168,148,049.10 = 94,242,281.80 : x - Step 2: Convert to fraction form
112,098,699.40/168,148,049.10 = 94,242,281.80/x - Step 3: Cross multiply
112,098,699.40x = 168,148,049.10 × 94,242,281.80 - Step 4: Simplify right side
112,098,699.40x = 15,846,655,827,402,436 - Step 5: Solve for x
x = 15,846,655,827,402,436/112,098,699.40 - Step 6: Final answer
x = 141,363,422.70
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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.