Finding the Fourth Proportional to 280,230,946.08, 386,716,396.68 and 153,071,729.52
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Solution
The fourth proportional to 280,230,946.08, 386,716,396.68 and 153,071,729.52 is: 211,237,725.53
Step by Step Solution
- Step 1: Write the proportion equation
280,230,946.08 : 386,716,396.68 = 153,071,729.52 : x - Step 2: Convert to fraction form
280,230,946.08/386,716,396.68 = 153,071,729.52/x - Step 3: Cross multiply
280,230,946.08x = 386,716,396.68 × 153,071,729.52 - Step 4: Simplify right side
280,230,946.08x = 59,195,347,673,549,992 - Step 5: Solve for x
x = 59,195,347,673,549,992/280,230,946.08 - Step 6: Final answer
x = 211,237,725.53
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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.