Finding the Fourth Proportional to 117,811,708,908.70, 176,742,382,313.85 and 38,217,043,609.42
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Solution
The fourth proportional to 117,811,708,908.70, 176,742,382,313.85 and 38,217,043,609.42 is: 57,333,616,455.35
Step by Step Solution
- Step 1: Write the proportion equation
117,811,708,908.70 : 176,742,382,313.85 = 38,217,043,609.42 : x - Step 2: Convert to fraction form
117,811,708,908.70/176,742,382,313.85 = 38,217,043,609.42/x - Step 3: Cross multiply
117,811,708,908.70x = 176,742,382,313.85 × 38,217,043,609.42 - Step 4: Simplify right side
117,811,708,908.70x = 6,754,571,332,521,187,868,672 - Step 5: Solve for x
x = 6,754,571,332,521,187,868,672/117,811,708,908.70 - Step 6: Final answer
x = 57,333,616,455.35
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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.