Finding the Fourth Proportional to 64,745,886.40, 97,118,829.60 and 64,367,972.80
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Solution
The fourth proportional to 64,745,886.40, 97,118,829.60 and 64,367,972.80 is: 96,551,959.20
Step by Step Solution
- Step 1: Write the proportion equation
64,745,886.40 : 97,118,829.60 = 64,367,972.80 : x - Step 2: Convert to fraction form
64,745,886.40/97,118,829.60 = 64,367,972.80/x - Step 3: Cross multiply
64,745,886.40x = 97,118,829.60 × 64,367,972.80 - Step 4: Simplify right side
64,745,886.40x = 6,251,342,182,060,634 - Step 5: Solve for x
x = 6,251,342,182,060,634/64,745,886.40 - Step 6: Final answer
x = 96,551,959.20
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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.