Finding the Fourth Proportional to 55,118,745.84, 76,063,265.65 and 30,338,402.88
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Solution
The fourth proportional to 55,118,745.84, 76,063,265.65 and 30,338,402.88 is: 41,866,663.73
Step by Step Solution
- Step 1: Write the proportion equation
55,118,745.84 : 76,063,265.65 = 30,338,402.88 : x - Step 2: Convert to fraction form
55,118,745.84/76,063,265.65 = 30,338,402.88/x - Step 3: Cross multiply
55,118,745.84x = 76,063,265.65 × 30,338,402.88 - Step 4: Simplify right side
55,118,745.84x = 2,307,637,997,506,473 - Step 5: Solve for x
x = 2,307,637,997,506,473/55,118,745.84 - Step 6: Final answer
x = 41,866,663.73
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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.