Finding the Fourth Proportional to 213,516,587.84, 294,653,323.04 and 115,731,510.08
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Solution
The fourth proportional to 213,516,587.84, 294,653,323.04 and 115,731,510.08 is: 159,709,717.97
Step by Step Solution
- Step 1: Write the proportion equation
213,516,587.84 : 294,653,323.04 = 115,731,510.08 : x - Step 2: Convert to fraction form
213,516,587.84/294,653,323.04 = 115,731,510.08/x - Step 3: Cross multiply
213,516,587.84x = 294,653,323.04 × 115,731,510.08 - Step 4: Simplify right side
213,516,587.84x = 34,100,674,025,509,260 - Step 5: Solve for x
x = 34,100,674,025,509,260/213,516,587.84 - Step 6: Final answer
x = 159,709,717.97
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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.