Finding the Fourth Proportional to 99,683,642.08, 149,541,272.70 and 42,176,341
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Solution
The fourth proportional to 99,683,642.08, 149,541,272.70 and 42,176,341 is: 63,271,200.56
Step by Step Solution
- Step 1: Write the proportion equation
99,683,642.08 : 149,541,272.70 = 42,176,341 : x - Step 2: Convert to fraction form
99,683,642.08/149,541,272.70 = 42,176,341/x - Step 3: Cross multiply
99,683,642.08x = 149,541,272.70 × 42,176,341 - Step 4: Simplify right side
99,683,642.08x = 6,307,103,710,969,190 - Step 5: Solve for x
x = 6,307,103,710,969,190/99,683,642.08 - Step 6: Final answer
x = 63,271,200.56
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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.