Finding the Fourth Proportional to 93,312,083.55, 139,968,125.33 and 85,375,897.95
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Solution
The fourth proportional to 93,312,083.55, 139,968,125.33 and 85,375,897.95 is: 128,063,846.93
Step by Step Solution
- Step 1: Write the proportion equation
93,312,083.55 : 139,968,125.33 = 85,375,897.95 : x - Step 2: Convert to fraction form
93,312,083.55/139,968,125.33 = 85,375,897.95/x - Step 3: Cross multiply
93,312,083.55x = 139,968,125.33 × 85,375,897.95 - Step 4: Simplify right side
93,312,083.55x = 11,949,904,384,000,010 - Step 5: Solve for x
x = 11,949,904,384,000,010/93,312,083.55 - Step 6: Final answer
x = 128,063,846.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.