Finding the Fourth Proportional to 126,103,070.98, 174,022,159.34 and 68,156,318.98
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Solution
The fourth proportional to 126,103,070.98, 174,022,159.34 and 68,156,318.98 is: 94,055,677.70
Step by Step Solution
- Step 1: Write the proportion equation
126,103,070.98 : 174,022,159.34 = 68,156,318.98 : x - Step 2: Convert to fraction form
126,103,070.98/174,022,159.34 = 68,156,318.98/x - Step 3: Cross multiply
126,103,070.98x = 174,022,159.34 × 68,156,318.98 - Step 4: Simplify right side
126,103,070.98x = 11,860,709,801,565,428 - Step 5: Solve for x
x = 11,860,709,801,565,428/126,103,070.98 - Step 6: Final answer
x = 94,055,677.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.