Finding the Fourth Proportional to 156,740,357.80, 235,361,494.95 and 124,659,036.10
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Solution
The fourth proportional to 156,740,357.80, 235,361,494.95 and 124,659,036.10 is: 187,188,146.74
Step by Step Solution
- Step 1: Write the proportion equation
156,740,357.80 : 235,361,494.95 = 124,659,036.10 : x - Step 2: Convert to fraction form
156,740,357.80/235,361,494.95 = 124,659,036.10/x - Step 3: Cross multiply
156,740,357.80x = 235,361,494.95 × 124,659,036.10 - Step 4: Simplify right side
156,740,357.80x = 29,339,937,095,522,016 - Step 5: Solve for x
x = 29,339,937,095,522,016/156,740,357.80 - Step 6: Final answer
x = 187,188,146.74
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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.