Finding the Fourth Proportional to 97,743,372.07, 134,877,987.25 and 56,492,936.23
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Solution
The fourth proportional to 97,743,372.07, 134,877,987.25 and 56,492,936.23 is: 77,955,705.55
Step by Step Solution
- Step 1: Write the proportion equation
97,743,372.07 : 134,877,987.25 = 56,492,936.23 : x - Step 2: Convert to fraction form
97,743,372.07/134,877,987.25 = 56,492,936.23/x - Step 3: Cross multiply
97,743,372.07x = 134,877,987.25 × 56,492,936.23 - Step 4: Simplify right side
97,743,372.07x = 7,619,653,532,545,003 - Step 5: Solve for x
x = 7,619,653,532,545,003/97,743,372.07 - Step 6: Final answer
x = 77,955,705.55
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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.