Finding the Fourth Proportional to 342,363,738.69, 513,226,119.63 and 135,103,865.64
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Solution
The fourth proportional to 342,363,738.69, 513,226,119.63 and 135,103,865.64 is: 202,529,721.68
Step by Step Solution
- Step 1: Write the proportion equation
342,363,738.69 : 513,226,119.63 = 135,103,865.64 : x - Step 2: Convert to fraction form
342,363,738.69/513,226,119.63 = 135,103,865.64/x - Step 3: Cross multiply
342,363,738.69x = 513,226,119.63 × 135,103,865.64 - Step 4: Simplify right side
342,363,738.69x = 69,338,832,709,430,080 - Step 5: Solve for x
x = 69,338,832,709,430,080/342,363,738.69 - Step 6: Final answer
x = 202,529,721.68
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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.