Finding the Fourth Proportional to 165,703,444.74, 228,768,726.39 and 147,317,839.02
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Solution
The fourth proportional to 165,703,444.74, 228,768,726.39 and 147,317,839.02 is: 203,385,719.95
Step by Step Solution
- Step 1: Write the proportion equation
165,703,444.74 : 228,768,726.39 = 147,317,839.02 : x - Step 2: Convert to fraction form
165,703,444.74/228,768,726.39 = 147,317,839.02/x - Step 3: Cross multiply
165,703,444.74x = 228,768,726.39 × 147,317,839.02 - Step 4: Simplify right side
165,703,444.74x = 33,701,714,407,132,448 - Step 5: Solve for x
x = 33,701,714,407,132,448/165,703,444.74 - Step 6: Final answer
x = 203,385,719.95
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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.