Finding the Fourth Proportional to 88,782,987.77, 133,171,479.99 and 31,273,756.05
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Solution
The fourth proportional to 88,782,987.77, 133,171,479.99 and 31,273,756.05 is: 46,909,576.74
Step by Step Solution
- Step 1: Write the proportion equation
88,782,987.77 : 133,171,479.99 = 31,273,756.05 : x - Step 2: Convert to fraction form
88,782,987.77/133,171,479.99 = 31,273,756.05/x - Step 3: Cross multiply
88,782,987.77x = 133,171,479.99 × 31,273,756.05 - Step 4: Simplify right side
88,782,987.77x = 4,164,772,377,868,347.50 - Step 5: Solve for x
x = 4,164,772,377,868,347.50/88,782,987.77 - Step 6: Final answer
x = 46,909,576.74
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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.