Finding the Fourth Proportional to 97,808,930.80, 146,365,031.40 and 85,168,265.20
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Solution
The fourth proportional to 97,808,930.80, 146,365,031.40 and 85,168,265.20 is: 127,449,055.09
Step by Step Solution
- Step 1: Write the proportion equation
97,808,930.80 : 146,365,031.40 = 85,168,265.20 : x - Step 2: Convert to fraction form
97,808,930.80/146,365,031.40 = 85,168,265.20/x - Step 3: Cross multiply
97,808,930.80x = 146,365,031.40 × 85,168,265.20 - Step 4: Simplify right side
97,808,930.80x = 12,465,655,810,281,528 - Step 5: Solve for x
x = 12,465,655,810,281,528/97,808,930.80 - Step 6: Final answer
x = 127,449,055.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.