Finding the Fourth Proportional to 74,614,373.35, 102,968,243.68 and 43,271,005.86
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Solution
The fourth proportional to 74,614,373.35, 102,968,243.68 and 43,271,005.86 is: 59,714,224.96
Step by Step Solution
- Step 1: Write the proportion equation
74,614,373.35 : 102,968,243.68 = 43,271,005.86 : x - Step 2: Convert to fraction form
74,614,373.35/102,968,243.68 = 43,271,005.86/x - Step 3: Cross multiply
74,614,373.35x = 102,968,243.68 × 43,271,005.86 - Step 4: Simplify right side
74,614,373.35x = 4,455,539,475,671,188 - Step 5: Solve for x
x = 4,455,539,475,671,188/74,614,373.35 - Step 6: Final answer
x = 59,714,224.96
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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.