Finding the Fourth Proportional to 249,811,277.64, 344,739,646.56 and 136,787,917.92
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Solution
The fourth proportional to 249,811,277.64, 344,739,646.56 and 136,787,917.92 is: 188,767,372.41
Step by Step Solution
- Step 1: Write the proportion equation
249,811,277.64 : 344,739,646.56 = 136,787,917.92 : x - Step 2: Convert to fraction form
249,811,277.64/344,739,646.56 = 136,787,917.92/x - Step 3: Cross multiply
249,811,277.64x = 344,739,646.56 × 136,787,917.92 - Step 4: Simplify right side
249,811,277.64x = 47,156,218,477,419,088 - Step 5: Solve for x
x = 47,156,218,477,419,088/249,811,277.64 - Step 6: Final answer
x = 188,767,372.41
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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.