Finding the Fourth Proportional to 74,849,968.26, 103,293,116.28 and 42,254,920.26
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Solution
The fourth proportional to 74,849,968.26, 103,293,116.28 and 42,254,920.26 is: 58,311,880.33
Step by Step Solution
- Step 1: Write the proportion equation
74,849,968.26 : 103,293,116.28 = 42,254,920.26 : x - Step 2: Convert to fraction form
74,849,968.26/103,293,116.28 = 42,254,920.26/x - Step 3: Cross multiply
74,849,968.26x = 103,293,116.28 × 42,254,920.26 - Step 4: Simplify right side
74,849,968.26x = 4,364,642,391,818,307.50 - Step 5: Solve for x
x = 4,364,642,391,818,307.50/74,849,968.26 - Step 6: Final answer
x = 58,311,880.33
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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.