Finding the Fourth Proportional to 112,523,881.41, 168,784,873.95 and 87,952,476.08
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Solution
The fourth proportional to 112,523,881.41, 168,784,873.95 and 87,952,476.08 is: 131,927,972.99
Step by Step Solution
- Step 1: Write the proportion equation
112,523,881.41 : 168,784,873.95 = 87,952,476.08 : x - Step 2: Convert to fraction form
112,523,881.41/168,784,873.95 = 87,952,476.08/x - Step 3: Cross multiply
112,523,881.41x = 168,784,873.95 × 87,952,476.08 - Step 4: Simplify right side
112,523,881.41x = 14,845,047,587,909,266 - Step 5: Solve for x
x = 14,845,047,587,909,266/112,523,881.41 - Step 6: Final answer
x = 131,927,972.99
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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.