Finding the Fourth Proportional to 306,466,389.56, 422,932,549.12 and 167,246,118.74
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Solution
The fourth proportional to 306,466,389.56, 422,932,549.12 and 167,246,118.74 is: 230,804,518.01
Step by Step Solution
- Step 1: Write the proportion equation
306,466,389.56 : 422,932,549.12 = 167,246,118.74 : x - Step 2: Convert to fraction form
306,466,389.56/422,932,549.12 = 167,246,118.74/x - Step 3: Cross multiply
306,466,389.56x = 422,932,549.12 × 167,246,118.74 - Step 4: Simplify right side
306,466,389.56x = 70,733,827,329,134,408 - Step 5: Solve for x
x = 70,733,827,329,134,408/306,466,389.56 - Step 6: Final answer
x = 230,804,518.01
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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.