Finding the Fourth Proportional to 56,210,416.74, 77,614,339.14 and 43,136,968.14
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Solution
The fourth proportional to 56,210,416.74, 77,614,339.14 and 43,136,968.14 is: 59,562,754.89
Step by Step Solution
- Step 1: Write the proportion equation
56,210,416.74 : 77,614,339.14 = 43,136,968.14 : x - Step 2: Convert to fraction form
56,210,416.74/77,614,339.14 = 43,136,968.14/x - Step 3: Cross multiply
56,210,416.74x = 77,614,339.14 × 43,136,968.14 - Step 4: Simplify right side
56,210,416.74x = 3,348,047,274,689,335 - Step 5: Solve for x
x = 3,348,047,274,689,335/56,210,416.74 - Step 6: Final answer
x = 59,562,754.89
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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.