Finding the Fourth Proportional to 42,929,656.16, 59,237,543.09 and 29,021,274.14
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Solution
The fourth proportional to 42,929,656.16, 59,237,543.09 and 29,021,274.14 is: 40,045,719.70
Step by Step Solution
- Step 1: Write the proportion equation
42,929,656.16 : 59,237,543.09 = 29,021,274.14 : x - Step 2: Convert to fraction form
42,929,656.16/59,237,543.09 = 29,021,274.14/x - Step 3: Cross multiply
42,929,656.16x = 59,237,543.09 × 29,021,274.14 - Step 4: Simplify right side
42,929,656.16x = 1,719,148,977,171,318.25 - Step 5: Solve for x
x = 1,719,148,977,171,318.25/42,929,656.16 - Step 6: Final answer
x = 40,045,719.70
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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.