Finding the Fourth Proportional to 105,251,056.97, 145,230,322.70 and 60,588,395.82
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Solution
The fourth proportional to 105,251,056.97, 145,230,322.70 and 60,588,395.82 is: 83,602,697.49
Step by Step Solution
- Step 1: Write the proportion equation
105,251,056.97 : 145,230,322.70 = 60,588,395.82 : x - Step 2: Convert to fraction form
105,251,056.97/145,230,322.70 = 60,588,395.82/x - Step 3: Cross multiply
105,251,056.97x = 145,230,322.70 × 60,588,395.82 - Step 4: Simplify right side
105,251,056.97x = 8,799,272,276,087,778 - Step 5: Solve for x
x = 8,799,272,276,087,778/105,251,056.97 - Step 6: Final answer
x = 83,602,697.49
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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.