Finding the Fourth Proportional to 207,371,999.10, 286,177,577.35 and 113,292,239.57
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Solution
The fourth proportional to 207,371,999.10, 286,177,577.35 and 113,292,239.57 is: 156,345,595.32
Step by Step Solution
- Step 1: Write the proportion equation
207,371,999.10 : 286,177,577.35 = 113,292,239.57 : x - Step 2: Convert to fraction form
207,371,999.10/286,177,577.35 = 113,292,239.57/x - Step 3: Cross multiply
207,371,999.10x = 286,177,577.35 × 113,292,239.57 - Step 4: Simplify right side
207,371,999.10x = 32,421,698,652,698,408 - Step 5: Solve for x
x = 32,421,698,652,698,408/207,371,999.10 - Step 6: Final answer
x = 156,345,595.32
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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.