Finding the Fourth Proportional to 149,691,406.90, 224,537,110.35 and 138,493,966.90
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Solution
The fourth proportional to 149,691,406.90, 224,537,110.35 and 138,493,966.90 is: 207,740,950.35
Step by Step Solution
- Step 1: Write the proportion equation
149,691,406.90 : 224,537,110.35 = 138,493,966.90 : x - Step 2: Convert to fraction form
149,691,406.90/224,537,110.35 = 138,493,966.90/x - Step 3: Cross multiply
149,691,406.90x = 224,537,110.35 × 138,493,966.90 - Step 4: Simplify right side
149,691,406.90x = 31,097,035,128,634,548 - Step 5: Solve for x
x = 31,097,035,128,634,548/149,691,406.90 - Step 6: Final answer
x = 207,740,950.35
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1.5x scale
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.