Finding the Fourth Proportional to 110,656,152.80, 166,090,517.40 and 56,130,306.20
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Solution
The fourth proportional to 110,656,152.80, 166,090,517.40 and 56,130,306.20 is: 84,249,373.96
Step by Step Solution
- Step 1: Write the proportion equation
110,656,152.80 : 166,090,517.40 = 56,130,306.20 : x - Step 2: Convert to fraction form
110,656,152.80/166,090,517.40 = 56,130,306.20/x - Step 3: Cross multiply
110,656,152.80x = 166,090,517.40 × 56,130,306.20 - Step 4: Simplify right side
110,656,152.80x = 9,322,711,598,578,428 - Step 5: Solve for x
x = 9,322,711,598,578,428/110,656,152.80 - Step 6: Final answer
x = 84,249,373.96
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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.