Finding the Fourth Proportional to 306,750,506.78, 423,319,065.15 and 167,525,365.07
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Solution
The fourth proportional to 306,750,506.78, 423,319,065.15 and 167,525,365.07 is: 231,186,841.95
Step by Step Solution
- Step 1: Write the proportion equation
306,750,506.78 : 423,319,065.15 = 167,525,365.07 : x - Step 2: Convert to fraction form
306,750,506.78/423,319,065.15 = 167,525,365.07/x - Step 3: Cross multiply
306,750,506.78x = 423,319,065.15 × 167,525,365.07 - Step 4: Simplify right side
306,750,506.78x = 70,916,680,928,228,264 - Step 5: Solve for x
x = 70,916,680,928,228,264/306,750,506.78 - Step 6: Final answer
x = 231,186,841.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.