Finding the Fourth Proportional to 143,129,455.20, 214,694,182.80 and 97,779,823.20
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Solution
The fourth proportional to 143,129,455.20, 214,694,182.80 and 97,779,823.20 is: 146,669,734.80
Step by Step Solution
- Step 1: Write the proportion equation
143,129,455.20 : 214,694,182.80 = 97,779,823.20 : x - Step 2: Convert to fraction form
143,129,455.20/214,694,182.80 = 97,779,823.20/x - Step 3: Cross multiply
143,129,455.20x = 214,694,182.80 × 97,779,823.20 - Step 4: Simplify right side
143,129,455.20x = 20,992,759,236,252,484 - Step 5: Solve for x
x = 20,992,759,236,252,484/143,129,455.20 - Step 6: Final answer
x = 146,669,734.80
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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.