Finding the Fourth Proportional to 83,719,260.72, 115,506,613.98 and 48,886,824.24
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Solution
The fourth proportional to 83,719,260.72, 115,506,613.98 and 48,886,824.24 is: 67,448,655.04
Step by Step Solution
- Step 1: Write the proportion equation
83,719,260.72 : 115,506,613.98 = 48,886,824.24 : x - Step 2: Convert to fraction form
83,719,260.72/115,506,613.98 = 48,886,824.24/x - Step 3: Cross multiply
83,719,260.72x = 115,506,613.98 × 48,886,824.24 - Step 4: Simplify right side
83,719,260.72x = 5,646,751,536,197,787 - Step 5: Solve for x
x = 5,646,751,536,197,787/83,719,260.72 - Step 6: Final answer
x = 67,448,655.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.