Finding the Fourth Proportional to 77,864,970.84, 107,454,356.16 and 43,060,003.08
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Solution
The fourth proportional to 77,864,970.84, 107,454,356.16 and 43,060,003.08 is: 59,423,189.37
Step by Step Solution
- Step 1: Write the proportion equation
77,864,970.84 : 107,454,356.16 = 43,060,003.08 : x - Step 2: Convert to fraction form
77,864,970.84/107,454,356.16 = 43,060,003.08/x - Step 3: Cross multiply
77,864,970.84x = 107,454,356.16 × 43,060,003.08 - Step 4: Simplify right side
77,864,970.84x = 4,626,984,907,209,017 - Step 5: Solve for x
x = 4,626,984,907,209,017/77,864,970.84 - Step 6: Final answer
x = 59,423,189.37
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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.