Finding the Fourth Proportional to 69,971,726.22, 96,595,940.93 and 43,518,606.63
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Solution
The fourth proportional to 69,971,726.22, 96,595,940.93 and 43,518,606.63 is: 60,077,419.59
Step by Step Solution
- Step 1: Write the proportion equation
69,971,726.22 : 96,595,940.93 = 43,518,606.63 : x - Step 2: Convert to fraction form
69,971,726.22/96,595,940.93 = 43,518,606.63/x - Step 3: Cross multiply
69,971,726.22x = 96,595,940.93 × 43,518,606.63 - Step 4: Simplify right side
69,971,726.22x = 4,203,720,755,387,387 - Step 5: Solve for x
x = 4,203,720,755,387,387/69,971,726.22 - Step 6: Final answer
x = 60,077,419.59
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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.