Finding the Fourth Proportional to 97,805,601.60, 146,708,402.40 and 90,415,291.20
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Solution
The fourth proportional to 97,805,601.60, 146,708,402.40 and 90,415,291.20 is: 135,622,936.80
Step by Step Solution
- Step 1: Write the proportion equation
97,805,601.60 : 146,708,402.40 = 90,415,291.20 : x - Step 2: Convert to fraction form
97,805,601.60/146,708,402.40 = 90,415,291.20/x - Step 3: Cross multiply
97,805,601.60x = 146,708,402.40 × 90,415,291.20 - Step 4: Simplify right side
97,805,601.60x = 13,264,682,924,482,780 - Step 5: Solve for x
x = 13,264,682,924,482,780/97,805,601.60 - Step 6: Final answer
x = 135,622,936.80
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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.