Finding the Fourth Proportional to 39,938,368,806.55, 55,116,681,450.65 and 22,117,026,312.55
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Solution
The fourth proportional to 39,938,368,806.55, 55,116,681,450.65 and 22,117,026,312.55 is: 30,522,455,731.95
Step by Step Solution
- Step 1: Write the proportion equation
39,938,368,806.55 : 55,116,681,450.65 = 22,117,026,312.55 : x - Step 2: Convert to fraction form
39,938,368,806.55/55,116,681,450.65 = 22,117,026,312.55/x - Step 3: Cross multiply
39,938,368,806.55x = 55,116,681,450.65 × 22,117,026,312.55 - Step 4: Simplify right side
39,938,368,806.55x = 1,219,017,093,904,076,111,872 - Step 5: Solve for x
x = 1,219,017,093,904,076,111,872/39,938,368,806.55 - Step 6: Final answer
x = 30,522,455,731.95
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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.