Finding the Fourth Proportional to 286,021,251.06, 429,035,862.41 and 81,549,326.31
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Solution
The fourth proportional to 286,021,251.06, 429,035,862.41 and 81,549,326.31 is: 122,325,125.89
Step by Step Solution
- Step 1: Write the proportion equation
286,021,251.06 : 429,035,862.41 = 81,549,326.31 : x - Step 2: Convert to fraction form
286,021,251.06/429,035,862.41 = 81,549,326.31/x - Step 3: Cross multiply
286,021,251.06x = 429,035,862.41 × 81,549,326.31 - Step 4: Simplify right side
286,021,251.06x = 34,987,585,541,957,604 - Step 5: Solve for x
x = 34,987,585,541,957,604/286,021,251.06 - Step 6: Final answer
x = 122,325,125.89
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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.