Finding the Fourth Proportional to 158,820,156.84, 219,178,405.52 and 88,255,503.48
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Solution
The fourth proportional to 158,820,156.84, 219,178,405.52 and 88,255,503.48 is: 121,796,256.32
Step by Step Solution
- Step 1: Write the proportion equation
158,820,156.84 : 219,178,405.52 = 88,255,503.48 : x - Step 2: Convert to fraction form
158,820,156.84/219,178,405.52 = 88,255,503.48/x - Step 3: Cross multiply
158,820,156.84x = 219,178,405.52 × 88,255,503.48 - Step 4: Simplify right side
158,820,156.84x = 19,343,700,531,111,212 - Step 5: Solve for x
x = 19,343,700,531,111,212/158,820,156.84 - Step 6: Final answer
x = 121,796,256.32
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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.