Finding the Fourth Proportional to 230,939,565.88, 346,461,052.76 and 77,581,439.68
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Solution
The fourth proportional to 230,939,565.88, 346,461,052.76 and 77,581,439.68 is: 116,389,528.85
Step by Step Solution
- Step 1: Write the proportion equation
230,939,565.88 : 346,461,052.76 = 77,581,439.68 : x - Step 2: Convert to fraction form
230,939,565.88/346,461,052.76 = 77,581,439.68/x - Step 3: Cross multiply
230,939,565.88x = 346,461,052.76 × 77,581,439.68 - Step 4: Simplify right side
230,939,565.88x = 26,878,947,266,169,240 - Step 5: Solve for x
x = 26,878,947,266,169,240/230,939,565.88 - Step 6: Final answer
x = 116,389,528.85
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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.