Finding the Fourth Proportional to 75,145,175.04, 103,763,536.16 and 56,528,045.92
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Solution
The fourth proportional to 75,145,175.04, 103,763,536.16 and 56,528,045.92 is: 78,056,241.59
Step by Step Solution
- Step 1: Write the proportion equation
75,145,175.04 : 103,763,536.16 = 56,528,045.92 : x - Step 2: Convert to fraction form
75,145,175.04/103,763,536.16 = 56,528,045.92/x - Step 3: Cross multiply
75,145,175.04x = 103,763,536.16 × 56,528,045.92 - Step 4: Simplify right side
75,145,175.04x = 5,865,549,936,874,060 - Step 5: Solve for x
x = 5,865,549,936,874,060/75,145,175.04 - Step 6: Final answer
x = 78,056,241.59
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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.