Finding the Fourth Proportional to 86,316,108.76, 129,386,921.34 and 37,164,023.08
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Solution
The fourth proportional to 86,316,108.76, 129,386,921.34 and 37,164,023.08 is: 55,708,472.03
Step by Step Solution
- Step 1: Write the proportion equation
86,316,108.76 : 129,386,921.34 = 37,164,023.08 : x - Step 2: Convert to fraction form
86,316,108.76/129,386,921.34 = 37,164,023.08/x - Step 3: Cross multiply
86,316,108.76x = 129,386,921.34 × 37,164,023.08 - Step 4: Simplify right side
86,316,108.76x = 4,808,538,530,929,904 - Step 5: Solve for x
x = 4,808,538,530,929,904/86,316,108.76 - Step 6: Final answer
x = 55,708,472.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.