Finding the Fourth Proportional to 138,521,699.10, 207,645,496.65 and 65,610,326.70
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Solution
The fourth proportional to 138,521,699.10, 207,645,496.65 and 65,610,326.70 is: 98,350,575.84
Step by Step Solution
- Step 1: Write the proportion equation
138,521,699.10 : 207,645,496.65 = 65,610,326.70 : x - Step 2: Convert to fraction form
138,521,699.10/207,645,496.65 = 65,610,326.70/x - Step 3: Cross multiply
138,521,699.10x = 207,645,496.65 × 65,610,326.70 - Step 4: Simplify right side
138,521,699.10x = 13,623,688,872,990,256 - Step 5: Solve for x
x = 13,623,688,872,990,256/138,521,699.10 - Step 6: Final answer
x = 98,350,575.84
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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.