Finding the Fourth Proportional to 55,872,683.68, 77,103,746.40 and 31,092,446.08
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Solution
The fourth proportional to 55,872,683.68, 77,103,746.40 and 31,092,446.08 is: 42,907,265.58
Step by Step Solution
- Step 1: Write the proportion equation
55,872,683.68 : 77,103,746.40 = 31,092,446.08 : x - Step 2: Convert to fraction form
55,872,683.68/77,103,746.40 = 31,092,446.08/x - Step 3: Cross multiply
55,872,683.68x = 77,103,746.40 × 31,092,446.08 - Step 4: Simplify right side
55,872,683.68x = 2,397,344,077,507,994 - Step 5: Solve for x
x = 2,397,344,077,507,994/55,872,683.68 - Step 6: Final answer
x = 42,907,265.58
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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.