Finding the Fourth Proportional to 70,948,348.62, 97,935,271.47 and 55,236,240.78
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Solution
The fourth proportional to 70,948,348.62, 97,935,271.47 and 55,236,240.78 is: 76,246,682.85
Step by Step Solution
- Step 1: Write the proportion equation
70,948,348.62 : 97,935,271.47 = 55,236,240.78 : x - Step 2: Convert to fraction form
70,948,348.62/97,935,271.47 = 55,236,240.78/x - Step 3: Cross multiply
70,948,348.62x = 97,935,271.47 × 55,236,240.78 - Step 4: Simplify right side
70,948,348.62x = 5,409,576,235,771,585 - Step 5: Solve for x
x = 5,409,576,235,771,585/70,948,348.62 - Step 6: Final answer
x = 76,246,682.85
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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.