Finding the Fourth Proportional to 138,192,756.03, 207,266,602.65 and 46,077,257.13
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Solution
The fourth proportional to 138,192,756.03, 207,266,602.65 and 46,077,257.13 is: 69,108,373.11
Step by Step Solution
- Step 1: Write the proportion equation
138,192,756.03 : 207,266,602.65 = 46,077,257.13 : x - Step 2: Convert to fraction form
138,192,756.03/207,266,602.65 = 46,077,257.13/x - Step 3: Cross multiply
138,192,756.03x = 207,266,602.65 × 46,077,257.13 - Step 4: Simplify right side
138,192,756.03x = 9,550,276,544,765,590 - Step 5: Solve for x
x = 9,550,276,544,765,590/138,192,756.03 - Step 6: Final answer
x = 69,108,373.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.