Finding the Fourth Proportional to 108,915,839.09, 163,408,295.06 and 38,884,565.26
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Solution
The fourth proportional to 108,915,839.09, 163,408,295.06 and 38,884,565.26 is: 58,339,177.91
Step by Step Solution
- Step 1: Write the proportion equation
108,915,839.09 : 163,408,295.06 = 38,884,565.26 : x - Step 2: Convert to fraction form
108,915,839.09/163,408,295.06 = 38,884,565.26/x - Step 3: Cross multiply
108,915,839.09x = 163,408,295.06 × 38,884,565.26 - Step 4: Simplify right side
108,915,839.09x = 6,354,060,513,441,560 - Step 5: Solve for x
x = 6,354,060,513,441,560/108,915,839.09 - Step 6: Final answer
x = 58,339,177.91
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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.