Finding the Fourth Proportional to 228,782,031.99, 315,719,407.59 and 124,360,103.31
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Solution
The fourth proportional to 228,782,031.99, 315,719,407.59 and 124,360,103.31 is: 171,617,053.15
Step by Step Solution
- Step 1: Write the proportion equation
228,782,031.99 : 315,719,407.59 = 124,360,103.31 : x - Step 2: Convert to fraction form
228,782,031.99/315,719,407.59 = 124,360,103.31/x - Step 3: Cross multiply
228,782,031.99x = 315,719,407.59 × 124,360,103.31 - Step 4: Simplify right side
228,782,031.99x = 39,262,898,144,864,392 - Step 5: Solve for x
x = 39,262,898,144,864,392/228,782,031.99 - Step 6: Final answer
x = 171,617,053.15
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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.