Finding the Fourth Proportional to 79,799,605.68, 110,123,406.07 and 43,130,176.68
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Solution
The fourth proportional to 79,799,605.68, 110,123,406.07 and 43,130,176.68 is: 59,519,616.92
Step by Step Solution
- Step 1: Write the proportion equation
79,799,605.68 : 110,123,406.07 = 43,130,176.68 : x - Step 2: Convert to fraction form
79,799,605.68/110,123,406.07 = 43,130,176.68/x - Step 3: Cross multiply
79,799,605.68x = 110,123,406.07 × 43,130,176.68 - Step 4: Simplify right side
79,799,605.68x = 4,749,641,960,402,484 - Step 5: Solve for x
x = 4,749,641,960,402,484/79,799,605.68 - Step 6: Final answer
x = 59,519,616.92
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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.