Finding the Fourth Proportional to 135,928,279,925.28, 187,521,518,424.24 and 129,626,239,932
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Solution
The fourth proportional to 135,928,279,925.28, 187,521,518,424.24 and 129,626,239,932 is: 178,827,462,195.77
Step by Step Solution
- Step 1: Write the proportion equation
135,928,279,925.28 : 187,521,518,424.24 = 129,626,239,932 : x - Step 2: Convert to fraction form
135,928,279,925.28/187,521,518,424.24 = 129,626,239,932/x - Step 3: Cross multiply
135,928,279,925.28x = 187,521,518,424.24 × 129,626,239,932 - Step 4: Simplify right side
135,928,279,925.28x = 24,307,709,339,673,491,931,136 - Step 5: Solve for x
x = 24,307,709,339,673,491,931,136/135,928,279,925.28 - Step 6: Final answer
x = 178,827,462,195.77
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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.