Finding the Fourth Proportional to 128,065,267.64, 176,730,031.91 and 69,327,889.18
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Solution
The fourth proportional to 128,065,267.64, 176,730,031.91 and 69,327,889.18 is: 95,672,466.79
Step by Step Solution
- Step 1: Write the proportion equation
128,065,267.64 : 176,730,031.91 = 69,327,889.18 : x - Step 2: Convert to fraction form
128,065,267.64/176,730,031.91 = 69,327,889.18/x - Step 3: Cross multiply
128,065,267.64x = 176,730,031.91 × 69,327,889.18 - Step 4: Simplify right side
128,065,267.64x = 12,252,320,065,804,054 - Step 5: Solve for x
x = 12,252,320,065,804,054/128,065,267.64 - Step 6: Final answer
x = 95,672,466.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.