Finding the Fourth Proportional to 93,370,503.23, 128,851,917.36 and 50,984,356.95
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Solution
The fourth proportional to 93,370,503.23, 128,851,917.36 and 50,984,356.95 is: 70,358,752.72
Step by Step Solution
- Step 1: Write the proportion equation
93,370,503.23 : 128,851,917.36 = 50,984,356.95 : x - Step 2: Convert to fraction form
93,370,503.23/128,851,917.36 = 50,984,356.95/x - Step 3: Cross multiply
93,370,503.23x = 128,851,917.36 × 50,984,356.95 - Step 4: Simplify right side
93,370,503.23x = 6,569,432,147,729,882 - Step 5: Solve for x
x = 6,569,432,147,729,882/93,370,503.23 - Step 6: Final answer
x = 70,358,752.72
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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.