Finding the Fourth Proportional to 163,553,048.60, 245,121,176.10 and 86,912,792.60
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Solution
The fourth proportional to 163,553,048.60, 245,121,176.10 and 86,912,792.60 is: 130,258,445.95
Step by Step Solution
- Step 1: Write the proportion equation
163,553,048.60 : 245,121,176.10 = 86,912,792.60 : x - Step 2: Convert to fraction form
163,553,048.60/245,121,176.10 = 86,912,792.60/x - Step 3: Cross multiply
163,553,048.60x = 245,121,176.10 × 86,912,792.60 - Step 4: Simplify right side
163,553,048.60x = 21,304,165,940,247,376 - Step 5: Solve for x
x = 21,304,165,940,247,376/163,553,048.60 - Step 6: Final answer
x = 130,258,445.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.