Finding the Fourth Proportional to 159,106,632.18, 219,569,419.89 and 93,916,536.18
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Solution
The fourth proportional to 159,106,632.18, 219,569,419.89 and 93,916,536.18 is: 129,606,158.36
Step by Step Solution
- Step 1: Write the proportion equation
159,106,632.18 : 219,569,419.89 = 93,916,536.18 : x - Step 2: Convert to fraction form
159,106,632.18/219,569,419.89 = 93,916,536.18/x - Step 3: Cross multiply
159,106,632.18x = 219,569,419.89 × 93,916,536.18 - Step 4: Simplify right side
159,106,632.18x = 20,621,199,367,120,796 - Step 5: Solve for x
x = 20,621,199,367,120,796/159,106,632.18 - Step 6: Final answer
x = 129,606,158.36
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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.