Finding the Fourth Proportional to 42,395,561.40, 63,593,342.10 and 39,277,774.20
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Solution
The fourth proportional to 42,395,561.40, 63,593,342.10 and 39,277,774.20 is: 58,916,661.30
Step by Step Solution
- Step 1: Write the proportion equation
42,395,561.40 : 63,593,342.10 = 39,277,774.20 : x - Step 2: Convert to fraction form
42,395,561.40/63,593,342.10 = 39,277,774.20/x - Step 3: Cross multiply
42,395,561.40x = 63,593,342.10 × 39,277,774.20 - Step 4: Simplify right side
42,395,561.40x = 2,497,804,931,627,154 - Step 5: Solve for x
x = 2,497,804,931,627,154/42,395,561.40 - Step 6: Final answer
x = 58,916,661.30
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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.